Roofing Supplies Breathable Roof Underlay Felt (62103117936)

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Price:RUB 15.31 - RUB 61.21
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Product Overview

Description

Product Description

KINGWAY breathable membranes have excellent performance at water resistance, vapor permeability and UV resistant, which mainly used in construction as roof underlay and house wrap.

KINGWAY breathable membranes are 3 layers thermal lamination:

Breathable membrane allows vapour to travel through it easier, while non-breathable doesn’t. In principle, the lower the water vapour resistance, the greater the membrane’s ability to lower the risk of condensation.

When non-breathable membrane is used below the slates or tiles, very little moisture makes its way into the batten space above. Roof breather membrane on the other hand allows far greater moisture transfer- making it crucial that there is adequate air movement above. 

Non-breathable membrane can often be confused with a vapour control layer, but shouldn’t be. Vapour control layers are positioned on the warm side of the insulation to prevent large volumes of water vapour entering the roof structure from the interior, while also helping reduce heat loss through the roof. Non-breathable membrane is located on the cold side of the insulation.

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Advantages

 

1. Excellent performance at water resistance

2. Particular function of water vapor permeability

3. Good performance at UV resistant for 4 months

4. They are much lighter than bitumen felts, suitable for construction in different condition

5.They have excellent tear and nail strength, with good low temperature flexibility

6. 100% Virgin material

7. simple installation in new building, re-roofing and refurbishment situations460.jpg

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Product Parameters
Surface mass density100 g/m²Breathable roofing membrane  for pitched roofing and wall 
Roll size1.5m×50m 463.jpg
Vapor permeability≥2250 g/m²/24h
Sd value0.02 m (-0.005/+0.015)
Water tightnessclass W1
Tensile strength MD/CD200/126N/50 mm (+/-20%)
Tearing strength MD/CD110/100 N (+/-20%)
Resistance to UV rays4 months
Reaction to fireE
Loading quantity20’GP40’GP40’HQ
0.0961 s.