Thompson's Water Seal - 2.5L
1 × £18.81 
Spax Pozi Pz3 Drill Bits - 25mm (Pack of 5)
1 × £7.49 
Chesterfelt Polyester Reinforced Shed Roofing Felt - Green 10m x 1m
1 × £34.99 Subtotal: £61.29
Bank Holiday Notice: Orders placed after 2:00 PM on Friday, August 23rd, will be shipped on Tuesday, August 27th.
Thompson's Water Seal - 2.5L
1 × £18.81 Spax Pozi Pz3 Drill Bits - 25mm (Pack of 5)
1 × £7.49 Chesterfelt Polyester Reinforced Shed Roofing Felt - Green 10m x 1m
1 × £34.99 Subtotal: £61.29
Permo® air is a low resistance air-open underlay, suitable for pitched roofs. It is the ideal solution where there is a high risk of condensation forming in the roofspace. Being both air open & vapour permeable further minimises the risk of condensation forming, particularly during the drying out period of a building.
Permo® air is a low resistance air-open underlay, suitable for pitched roofs. It is the ideal solution where there is a high risk of condensation forming in the roofspace. Being both air open & vapour permeable further minimises the risk of condensation forming, particularly during the drying out period of a building.
As Permo® Air 160 roof membrane is BBA & NHBC approved, no additional ventilation is required, ensuring it is time and cost effective, making it a perfect solution for new-builds.
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