Tec7 WP7 Roof Waterproof

  • Tec7 WP7-301
  • Repair compound
  • Ready-made paste

Tec7 Roof Waterproof is a ready for use and easy to apply rubber, bitumen and glass fibre based roof repair product from Tec7's Waterprotect (WP) product line. WP7-301 can be used on both wet and dry surfaces. Also suitable for vertical applications, Roof Waterproof is immediately waterproof, rain resistant, adheres to most building materials and is also compatible with all bituminous materials. Can be used with slate for extra UV protection.

Benefits of WP7-301

  • Cold repair of leaks, cracks and blisters.
  • With rubber for lasting flexibility.
  • With bitumen for perfect sealing.
  • With fibers for permanent strength.


  • Seals leaks in roofs and in gutters.
  • Repair of blisters and cracks.
  • Sealing ducting and chimneys.
  • Sealing foundations (EN 15814 certified).
  • Waterproofing roof connetion joints, eaves, roof domes etc.

Instructions for use

  • Apply to a clean and stable surface, free from ice and snow.
  • If necessary, clean and dry (without heating), remove loose parts and hardened bitumen, cut blisters cross shape.
  • Reinforce major repairs with pieces of roofing or Tec7 Fiberglass Tape.
  • Apply with a sealant gun, brush or spatula.

Finish and clean tools with Tec7 Cleaner. Do not use in ponds or watercourses or on roofs that drain into ponds. Lyer thickness 2 mm, when finishing with slate stroke 1 mm thicknessis sufficient. 

1 liter = 1 mm on 1 m2.


Base: glass fiber filled modified bitumen
Odour: solvent odour
Colour: black
Relative density: 1.1
Elongation at break: 170%
Application temperature: between -15°C and +40°C
Temperature resistance: from -40°C to +85°C
Chemical resistance: not resistant to hydrocarbon based solvents
Paintable: no
Shelf life: 24 months, in closed original packaging, dry, cool and frost-free
Safety measures: please consult the safety data sheet

We have a number of recommendations for working safely with polymers. At Polyestershoppen you will not only find the polymers themselves, but you can also purchase all the protective equipment you need from us. If you have any doubts or questions, please contact our customer service. We can give you advice on how to work safely with polymers.

Safety equipment


Code Description
H226 Flammable liquid and vapour.
H336 May cause drowsiness or dizziness.
H373 May cause damage to organs <or state all organs affected, if known> through prolonged or repeated exposure <state route of exposure if it is conclusively proven that no other routes of exposure cause the hazard>.
H412 Harmful to aquatic life with long lasting effects.
P101 If medical advice is needed, have product container or label at hand.
P102 Keep out of reach of children.
P210 Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
P260 Do not breathe dust/fume/gas/mist/vapours/spray.
P271 Use only outdoors or in a well-ventilated area.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing.
P405 Store locked up.
P501B Dispose of contents / container in accordance with local, regional or international regulations
EUH066 Repeated exposure may cause skin dryness or cracking.

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