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By raising the arms upwards or downwards you can adjust the level of ventilation
Suitable for constant water immersion
Suitable for internal and external use
Stainless steel must be used where there is corrosive environment and/or the base material has inherent corrosive characteristics e
Flat Roof 75mm Vent (Felt & EPDM) YBS Insulation By raising the arms upwardsVents are normally required when roofing membranes are laid on concrete screeds in which moisture may be retained from the construction process. The vents release vapour pressure, thus avoiding blistering of the membrane. Compatible with Felts and EPDM
US$ 125.00
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