Bituminous Products & Membranes

Our company is engaged in manufacturing and exporting a wide range of TankMastic, which has a multipurpose, anti-corrosive, black bituminous coating and is covered by IS: 9862/1981 as well IS: 158/1981. These are used for protecting the internal surface of storage water tanks, pipes against corrosion.

Features:

• Anti-corrosive
• Tasteless
• Odourless
• Non-toxic
• Black bituminous coating

 

Characteristics:

• Color Semi Glossy black when dry
• Consistency Uniform and applicable by brush or spray gun
• Drying time Touch dry in 2-4 hrs hard drying within 8 hrs

 

Coverage:

• On metal surface 12 sqm per ltr.
• On concrete surface 8 sqm per ltr.
• Dry film thickness
• Per coat in microns: 50-60
• Specific gravity: 0.92
• Flash point: 35°C

 

Areas of application:

• A corrosion protection coating for all types of iron, steel, masonry or concrete surfaces
• Used for coating of steel drums
• Suitable for coating the insides of both masonry and steel water tanks as it is non-toxic odourless and tasteless

 

Advantages:

• It can be easily and quickly applied by brush or spray gun and dries rapidly leaving a black glossy finish
• The resultant film is tough and elastic and does not crack easily due to structural movements
• It is resistant to dilute acids and alkalis
• It is non toxic and does not impart odour or taste to water on contact
• No harmful reaction with drinking water

 

Application methodology:

• The base metal should be cleaned thoroughly either by sand blasting or by any other suitable method
• Before application the surface should made totally dry, free from moisture, oil grease, mill scale or rust
• For metallic surfaces, primer is not required. However, for better performance a coat of STP Limited’s
• ShaliTex^® Primer is recommended
• For concrete or other porous surfaces a coat of STP Limited’s ShaliTex^® primer is required
• The primer should be allowed to dry hard
• TankMastic^® has to be stirred properly before applying
• It is then applied using a brush or spray gun
• Two coats are recommended for concrete and three coats for metallic surfaces

The normal practice in runways, bridges, buildings and road constructions is to provide expansion joints between cutting slabs of reinforced concrete at designed intervals and at intersections with other constructions. These joint fillers are then covered with sealing compounds. STP offers the complete range of products in this area.

ShaliTex^® Expansion Joint Boards

• Conforming to IS : 1838 (part 1) 1983, it consists of a fibre board, impregnated with bituminous material to make it durable and waterproof.

Purpose:

• To permit free movement of the concrete slabs during expansion and contraction.
• To provide a waterproof seal.
• To resist entry of foreign matter into the joint space.

Physical Characteristics:

• Consists of a soft fibre board impregnated with bituminous materials
• Compressible
• Possesses a high degree of recovery, once compression is relaxed
• Non extruding
• Available in thickness of 12 mm, 18 mm and 25 mm

Packaging:

• ShaliTex^® Expansion Joint Boards are supplied as 1.22mm x 1.22m sheet as per requirement. However it can be supplied in crates on special request.

ShaliTex® Sealing Compound:
Conforming to IS: 1834-1984, Grade A
Physical Characteristics/Purpose:

• Displays good adhesion towards concrete.
• Has the ability to withstand expansion without cracking.
• Low susceptibility to flow during hot weather conditions.
• Has plasticity.
• Offers resistance to ingress of foreign substance.

"See attachment for more details"

APP Modified Polymeric Waterproofing Membrane (HMHDPE as Center Core)

Superior ShaliPlus:
Superior ShaliPlus is a heavy duty APP (Atactic Polypropylene) modified polymeric waterproofing membrane composed of a high-density polyethylene sheet (HMHDPE) as center core, which protects against water and moisture. The center core is sandwiched on both sides by high quality polymeric bitumen mix having high softening point, high heat resistance and cold resistivity to make it ideal for all waterproofing treatments. The polymeric bitumen mix is protected on both sides with thermo fusible HMHDPE film. The finished membrane has good elongation to absorb all structural movements and is extremely pliable and flexible to adapt all contours.

 

STP Superior ShaliPlus Aluminium is also available with 75-micron aluminium top. It is a heavy duty polymeric waterproofing membrane composed of high-density 100 micron polyethylene (HMHDPE) as center core and an Aluminium top to prevent disintegration of bitumen and provide UV protection.

Uses:
Superior ShaliPlus is recommended for waterproofing of rooftops, basements and terrace gardens.

Method of Application:

1. Clean the surface thoroughly to make it smooth.
2. Apply a coat of ShaliTex Primer @ 0.3 litre per sqm.
3. Apply a coat of hot applied STP Bitumen 85/25 @ 1.2 kg per sqm.

Superior ShaliPlus membranes are sealed with overlap of 75 mm to 100 mm width/length wise.

Outstanding Features:

• High softening & high penetration.
• Dimensional stability.
• Flexibility at very low temperature.
• Practically no ageing.
• Aluminium topping protects membrane against UV light.

Shali Plus:
Shali Plus is a polymeric waterproofing membrane. It has a centre core of 20 micron High Molecular High Density Polyethylene (HMHDPE) film coated on both sides with Polymer Modified Bitumen, which is protected by a thermofusible film. The HMHDPE Film is the reinforcement barrier against water and moisture. The polymeric membrane has an elongation exceeding 300% to absorb all structural movements and has a very high tensile strength and cold flexibility to adapt to all contours. ShaliPlus 20 is also available with 40 micron aluminium topping on the top side to prevent disintegration of bitumen and provide UV protection.

Uses:
ShaliPlus is recommended for waterproofing of rooftops, basements and terrace gardens.

Method of Application:

1. Clean the surface thoroughly to make it smooth.
2. Apply a coat of ShaliTex Primer^® @ 0.3 ltr/ sqm on the clean surface.
3. This should be followed by a coat of hot applied STP Bitumen 85/25 @ 1.2 kg/sqm.
4. Lay and press ShaliPlus on the hot bitumen.
5. A minimum overlap of 75 mm to 100 mm is needed between the two rolls of membrane and should be sealed with blown bitumen.
6. Shali Plus is to be topped with screed or tiles as the case may be.

Outstanding Features:

• High softening point and high penetration.
• Dimensional stability.
• High elongation.
• Flexibility at very low temperature.
• Aluminum topping protects membrane against UV light to ensure long life and to slow down ageing.

Tarplastic^TM is a cold applied bituminous caulking compound with mineral fillers in a volatile solvent to retain its plasticity. It is available in a putty form. Tarplastic^TM remains plastic for a considerable length of time. The skin and interior harden to some extent after application.

Uses:

• It is ideal for use in conditions where a certain degree of expansion, contraction and vibration is expected. It can also be used for very minor cracks/gaps etc. For example, around J hooks used for fixing AC / CGI sheets.

Areas of Application:

• Tarplastic^TM is recommended for the purpose of caulking various types of roofs and masonry walls.

Advantages:
Tarplastic^TM

• It is cold applied and ready to use.
• Does not require specialised handling for application.
• Does not creep or flow when applied on vertical or sloping surfaces.
• It remains plastic for a considerable amount of time and therefore can accommodate a certain degree of expansion, contraction and vibration.
• It is not easily inflammable.

Application Methodology:
Corrugated Gl & Asbestos Roof
Leakage in these types of roofs are from overlapping joints and from holding bolts. To overcome this, the following is recommended:

1. Tarplastic^TM should be applied into the overlapping joints with a knife or spatula. Rusted joints should be cleaned and painted before caulking is done.
2. The top of the holding bolts should be covered with Tarplastic^TM and a limpet washer fixed as cover.

Tiled Roofs:
Tarplastic^TM can be used to fully plug the gaps in tiles formed due to sagging of the battens or any other reasons.

Terraced Roofs:
If the roof has developed cracks, but otherwise is in a good condition, the following is recommended:

• Locate the cracks and then widen them to a V section about 25 mm deep.
• Brush out the debris from the crack and dust it clean.
• Paint the cracks lightly with ShaliTex^® Primer.
• Press Tarplastic^TM into the painted crack by hand or with a trowel and finish by making a rounded head overlapping the crack by at least 25 mm on either side.

Packaging:

• Available in 200 kg, 20kg, 4 kg and 1 kg containers.

"See attachment for more details"

We are offering Bitumen, which are a dark, petroleum residue modified by the oxidation process. Its consistency ranges from highly viscous to solid. Our experts source the best quality raw material procured from leading refineries and these are manufactured as specified in IS: 73/2006 for paving bitumen like 35 (30/40) S 65 (60/70) and fully blown or semi blown bitumen specified in IS: 702-1988 for 85/25, 85/40, 90/15, 115/15, 135/10, 15S£. Being a safe and inexpensive material, it has multiple uses in industry and a wide range of applications such as lamination, manufacture of caulking compounds, joint fillers, rubber extenders, battery sealing compounds and cable filling compounds. We have also formulated many special grades over and above the ones specified in IS: 73-92 and IS: 702-92.

 

Properties:

• Water proofing
• Plasticity
• Adhesion
• Resistance towards acid alkali reactions

 

Uses:

• In building floors: Damp-proofing and waterproofing; acid-alkali resistant flooring, conductive flooring; sparkless flooring
• In building/roofing: Manufacture of roofing felts, adhesives, primers, damp-proof coating compositions, liquid roof coatings, plastic cements and hot carriage roofing compounds
• Hydro projects: Canal lining, embankment, hydraulic structure, dam lining protection and sand stabilization
• Roads: Construction and maintenance
• It also makes an efficient electrical insulator, because it has excellent dielectric strength

 

Application Methodology:

• STP Bitumen drums should be heated gradually till the bitumen melts completely
• It should be continuously stirred to prevent local overheating
• Only the required quantity should be heated for the work in hand
• A thermometer should be used to ensure that the bitumen is not overheated or it will lose much of its properties
• Bitumen brought up to its normal working temperature is applied with a brush or by pouring and spreading using a rubber squeegee

"See attachment for more details"

We are engaged in manufacturing APP Modified Waterproofing Membranes SuperThermoLay, AquaShield, which are used in varied areas for the purpose of preventing the leakage. These easy to apply membranes are made from superior grade material to last for a long period of time. Our range finds application in different usages like civil & industrial roofs, basements, bridges, swimming pools, ponds, tunnels and refurbishment of bitumen roofs.

 

"See attachment for more details"

EPDM Roofing Systems
Today, more than ten billion square feet of membrane have been sold. No other manufacturer has a comparable track record. EPDM’s success is due to its many exceptional characteristics, including material longevity, eatherability and elasticity. These non-reinforced membranes are lightweight, easy to maneuver on the roof and offer optimal re-roofing as well as new roofing solutions. Sure-Seal (black) EPDM (Ethylene Propylene Diene Terpolymer) non-reinforced membranes are available in standard 45-, 60- and 90-mil thicknesses. Membrane widths up to 50' and lengths to 200' afford less rooftop seaming for large projects. Custom sizes may be requested. Fully-Adhered Systems utilizing EPDM require mechanical or adhesive attachment of the insulation and bonding of the membrane to the insulation with the recommended adhesive. Ballasted designs incorporate a loose-laid insulation and membrane and the use of ballast or pavers as securement. Sure-Seal (black) reinforced membranes, in 45-, 60- and 75-mil thicknesses, are manufactured with a polyester reinforcement completely encapsulated between two plies of EPDM.

Sure-Weld membrane is comprised of three layers - a TPO polymer base; a strong, polyester-reinforced fabric center (scrim) and a tough thermoplastic polyolefin compounded top ply. Because top ply is the most vital membrane component for long-term weathering characteristics, Manufacturing its membranes with an industry leading “thicker” and “smoother” top ply over scrim. The smooth surface resists dirt pick-up and biological growth compared to other thermoplastic membranes.

Membrane Sizes and Benefits
Available in seamless 8'-, 10'-, and 12'-widths, with both 4'- and 6'-wide perimeter sheets, Sure-Weld is offered in 45- and 60-mil standard, and 72- and 80-mil extra thicknesses. Membranes are manufactured in standard white, gray and tan. Special colors are available upon request. Sure-Weld white membrane carries the EPA/DOE ENERGY STAR^® rating and labels. To qualify as an ENERGY STAR^® compliant partner, Sure-Weld has met and exceeded stringent program guidelines based upon solar reflectance and heat emittance. Less energy consumed results in less pollutants generated back into the atmosphere (lessening the Urban Heat Island Effect) and directly contributes to a cleaner, cooler environment.

"See attachment for more details"

PipeWrap - BT is a hot applied corrosion protection bituminous tape conforming to IS : 10221 Appendix B specification. It comes in two thicknesses: two mm & four mm. The four mm thick PipeWrap - BT is a four ply tape with two inner cores. The top core is of tough 45 gsm fiber glass and the bottom core is of 15 micron high tensile strength HMHDPE. The two mm PipeWrap - BT is a three ply tape without the fiber glass inner core. The specially formulated corrosion resistant bitumen compound provides high softening point, high penetration and high resistance to ageing. The tape comprises of high tensile strength thermofusible HMHDPE Film on both the sides.

Uses:
PipeWrap - BT is designed for application on buried and immersed pipes, fittings and appurtenances to protect them from high corrosive environment. For application on steel substrates and steel fittings, a coat of ShaliTex Primer (FD) is required.

Application:
Pipelines when treated in the correct way with ShaliTex Primer (FD) and wrapped with PipeWrap - BT remain corrosion free for at least 25 years. The pipe surface should be cleaned thoroughly either with wire brush or should be sand blasted. On the cleaned surface ShaliTex Primer (FD) is applied at 90 ml/sqm to get DFT of 30 microns. The surface should be allowed to touch dry (30 minutes at least). For application on weld joints, necessary welding and testing of the joint should first be completed. The remaining procedure remains the same as that of pipe. Overlap of 50mm should be there on each side of the weld joint. PipeWrap - BT is recommended to be applied at the time of pipe erection and lowering inside the trenches to avoid any damage. While in storage, PipeWrap- BT roll must be stacked properly undercover.

• The 2mm PipeWrap - BT is available in widths of 500mm/1000mm
• The 4 mm PipeWrap - BT is available in widths of 150mm/250mm/350mm/500mm and 1000mm.

Health and Safety:
PipeWrap - BT is non hazardous in normal conditions of use. Please refer to Health and Safety Data Sheets available on request.

"See attachment for more details"

ShaliTex Primer is a solvent based bitumen primer that seals pores in surfaces such as concrete and improves the adhesion of bituminous materials that are to be applied to the substrate. It is suitable for brush or spray application. It conforms to the requirement of IS : 3384-1986.

Areas of Application:

• ShaliTex Primer is applied on concrete and masonry surfaces prior to application of torch applied, self adhesive & general membranes so as to promote bonding of the bitumen with the concrete. It is applied on concrete surface and masonry prior to application of mastic asphalt for floor surfaces. It is also applied in canal lining gaps and concrete floor joints prior to pouring of the bitumen sealing compound for bonding of the bitumen to the gaps.

Application Methodology:

• Before applying the primer make the concrete surfaces free from dust and sand particles by brooming and allow it to dry. Concrete should be cured and eight days old.
• ShaliTex Primer should be thoroughly stirred before use and applied to the substrate by means of brush, roller or spray at the rate of 0.3 ltr/sqm. Allow it to dry for 24 hours.

Packaging:

• ShaliTex Primer is available in 20 litre & 200 litre drums.

Storage:

• Keep away from open flame. Use within 12 months of date of manufacture.

Precaution:

• The primer should not be applied when the temperature is less than 50C or when the weather is foggy.

Caution:

• For better performance, please exercise due care in buying only the original ShaliTex Primer from STP. ShaliTex is the registered brand of STP.

"See attachment for more details"