For further product information please contact us
01773 441 947
Orders placed by 2pm will normally be delivered the next working day (mainland uk Monday - Friday)
Collection available from Alfreton, Derby
Free Installation guides available see bottom of this page.
Permaroof 500 Liquid Membrane is used to waterproof the main area (in 1 layer) using the accelerator at a ratio of.
110ml per litre
500ml per 6kg
2000ml per 25kg
Mix the accelerator at a low speed for a couple of minutes until its fully mixed. Working life of mixed product in the tin is approximately 20-25 minutes.
Coverage rate of 1.8 kg/m2 to achieve a minimum of 1.4mm thickness
6kg accelerated tin = 3-4m2
25kg accelerated tin = 12-15m2
Permaroof 500 Liquid Membrane will be shower-proof in 30-40 minutes and will achieve full adherence and strength in 24 hours.
It can be re-coated if required after 2 hours or Topcoat UV can be applied
25kg & 2 Litres Accelerator
6kg & 0.5 Litres Accelerator
Permaroof 500 Liquid Membrane can also be used without accelerator with a drying time of 4-6 hours and must be applied in 2 layers of 1kg