Airflow is vital for roofing, and with the Type RAV-FL Flat Roof Abutment Ventilator, you can promote air entry where a flat roof abuts a vertical masonry wall. It's compatible for use with our horizontal intersection cavity trays, which may be established at a higher level to... Read More
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Find out moreAirflow is vital for roofing, and with the Type RAV-FL Flat Roof Abutment Ventilator, you can promote air entry where a flat roof abuts a vertical masonry wall. It's compatible for use with our horizontal intersection cavity trays, which may be established at a higher level to permit the flashing to be dressed down to cover the external shell of the RAV-FL profile
Each unit measures 1.2 metres long and features a heavy-duty profile with an integral pivot-hold hinge. This permits easy and direct fixing as the profile may be secured to the vertical board upstand when opened like a book. The profile is then closed and fixing is completed by securing the top of the profile to the masonry wall. An air ventilation path which complies with the current regulations is established at the flat roof intersection.
This ventilator is supplied with pre-drilled fixing holes and an integral insect-resistant grille, further helping the task run more smoothly with a faster and easier fitting process.
Please note:
Question:
Do these overlap and if so by how much? Or do they but up tight to one another.
Answer:
They butt up together
Question:
What is the minimum level the vent need to be fitted at. I have a upstand that is 130mm to the underside of the door threshold.
Answer:
Please call in and speak with a team member as there may be alternatives to discuss
Question:
I don’t understand where the air flows to if lead flashing covers the whole vent. Where is the moist air going?
Answer:
Please call in and speak with one of the team
Question:
Hi do you supply a flashing kit for this roof ventilation kit?
Answer:
Nothing specific is provided with it, you can flash over the top of it with Lead or Lead alternative, whichever flashing you prefer.
Question:
Does this product require a flashing over the top? What gap is required between the upstanding and the wall. I have a 50 mm wall plate.
Answer:
You do need to Flash over the top to create a water tight seal, you would ideally want at least a 25mm air gap for ventilation.
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