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Drythane is a 100% Solids, two component polyurethane coating system that contains no volatile organic compounds (VOC) or solvents, specifically formulated as a seamless and tough waterproofing membrane.

Drythane is a 100% Solids, two component polyurethane coating system that contains no volatile organic compounds (VOC) or solvents. It has been specifically formulated as a seamless and tough waterproofing membrane. It comprises of the PIV Primer along with a choice between (or combination of) three liquid-applied fused layers — Drythane Standard, Plus, and Aliphatic.

PIV Primer

A 100% solids damp tolerant, two-component polyurethane primer with excellent adhesion to damp and dry concrete. It penetrates and reinforces concrete surfaces, seals to prevent out-gassing and pin-holing, and also reacts with moisture present in the concrete. With our revolutionary coating, futureproof the house of your dreams!

Drythane Standard

High performance, standard workhorse product. Tough, impermeable membrane totally unaffected by immersion in water. Elastic membrane with 2.80 mm crack spanning capacity.

Tensile Strength17 N/mm2

Hardness65 ShoreD

Elongation134%

Drythane 400 HE

Elastic base coat or low temperature applications . High crack spanning of 4.50 mm as stand alone coating and 8.00 mm with Drythane Standard as top coat.

Tensile Strength9.4 N/mm2

Hardness85 ShoreA

Elongation442%

Drythane 600 HE

Elastic base coat or low temperature applications. High crack spanning of 5.50 mm as stand alone coating and 9.00 mm with Drythane Standard as top coat.

Tensile Strength11 N/mm2

Hardness75 ShoreA

Elongation693%

Drythane Plus

Paint roller applied Polyurea Hybrid with very high elongation for cold climates, flexible and crack prone surfaces. Very high crack spanning of 10 mm.

Tensile Strength21 N/mm2

Hardness92 ShoreA

Elongation375%

Drythane Aliphatic

Colour fast, decorative finishes. White colour for high solar reflective index and reduction in surface temperature of roofs.

Tensile Strength17 N/mm2

Hardness60 ShoreD

Elongation85%

All four products are environment friendly with zero solvent content or odor during application. They are non-toxic and suitable for water immersion. Since they have no solvent, the wet film thickness is equivalent to the dry film thickness and so only half the quantity is required (as compared to other solutions) for the same thickness. With a very fast curing process, Drythane can be used/water immersed in 24 hours. The final product can be left uncovered and unprotected without risk of damage from normal use. Screed or tile covering is optional only for aesthetics purposes.

Revolutionary Properties

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Seamless Membrane & Easy to Apply

Liquid polyurethane applied as a seamless, monolithic membrane to a thickness of 1.50 – 2.00 mm. Simply mix two components, pour the mixture, and spread it using a paint roller to a specific thickness in one or two coats. A special damp-tolerant Polyurethane Primer will seal the concrete prior to application of the main coat thereby allowing application even in high humidity environments.

Fully Impermeable to Water

Drythane is completely impermeable to water and has very low water absorption in continuous immersion with a saturated weight gain of less than 0.60% as per Procedure 7.4 (Long Term Immersion) of ASTM D 570. Further, it is highly resistant to a wide variety of Acid, Alkali, Salts, etc. These unique properties allow it to be used for continuously damp or wet applications such as rooftop gardens, ponds, storage tanks, swimming pools etc.

Tough and Durable, Long Service Life

Standard Drythane is a very tough, durable, elastomeric membrane with a tensile strength of more than 17 N/mm2, hardness of 65 ShoreD, tear of 54 N/mm and puncture resistance of 1500 N! As it cannot be damaged during normal use, you have no need for reinforcement or protection covering through masonry. Further, it resists degradation from sunlight (UV), rain, heat & cold weather. Our high performance membrane provides a long service life of more than 25 years.

Crack Spanning & Elastic Nature

Drythane are elastic membranes with industry leading crack bridging capacity ranging from 2.8 to 10.00mm! Products with higher elongation are more suited for flexible surfaces and cold climates and can be used as a stand alone coating or as a flexible base-coat underneath Drythane Standard. In case of the latter, the resulting system has a crack bridging of 8.00 mm while providing a very tough surface with outstanding water resistance - we call it the "Ultimate Combo".

High Adhesion

Drythane bonds strongly to the substrate. Thus, in pull off tests, the break takes place only within the concrete and not at the interface. Unlike sheet applied materials, liquid water cannot possibly intrude under our coating. Adhesion is usually an indicator of the service life — higher the adhesion, longer is the service life.

Optional Aliphatic Reflective Coat

Insulation from heat can be achieved by greening the roof (with drainboard, soil and grass) after applying our products! However, if a green roof is not desired but you still want to reduce indoor temperatures, you can simply apply an optional aliphatic, colour fast, and heat reflective top coat.

Ready to take the Next Step?

If you are looking to reimagine your waterproofing projects with Drythane, we have an extensive network of licensed applicators who would be thrilled to work with you! Send us an enquiry below or directly find applicators near you!

Get In Touch

Sachit Mann | Head Business Development Manager

+91 8826458060

Nitish Singh | BDM, Global Sales

Renni Varghese | Sr. RSM (NCR West)

Bhupender Singh | RSM (NCR East & UP)

R Parthiban | RSM (South India)

Saravana Perumal | Sales Engineer (South India)

Prashant Dhere | RSM (West India)

Sujith Dinakaran | Sales Coordinator

By Amchem Products

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