Owens Corning’s RAFT-R-MATE product is a polystyrene sheet shaped to prevent attic or rafter cavity insulation (batt or blown) from covering eave or soffit vents, or from expanding to fill cavity airways and restricting airflow. Inadequate ventilation may lead to excess heat and humidity in the attic or rafter cavity.

What are baffles for insulation?

In brief, baffles are designed to provide a channel of air to flow through specific parts of your attic. They are known are also known as wind baffle, insulation baffles, rafter vents or venting chutes. They are usually made from cardboard, or rigid foam board, or polyvinyl chloride.

How many Moore vents do I need in my attic?

The first step in determining how many rafter vents your home needs is to determine your home’s vent space in square feet. The general rule is that you must have one square foot of vent space for every 150 square feet of attic area.

Can I insulate between rafters?

Warm loft. An alternative way to insulate your loft is to fit the insulation between and over the rafters – these are the sloping timbers that make up the roof itself. You can use rigid insulation boards, carefully cut to size, or you can have foam insulation sprayed between the rafters.

How many insulation baffles do I need?

The general rule of thumb on the amount of total attic vent space needed is to have at least one square foot of vent space for every 150 square feet of attic area.

Should my soffits be vented?

While soffit comes in wood and aluminum, they are most commonly made of vinyl for durability. Soffit can be non-vented or vented to allow for maximum roof ventilation. Non-vented or continuous soffit works best when your roof has narrow eaves or if you need to ventilate a large amount of attic space.

What is the best insulation between roof rafters?

Mineral wool offers the best all-round thermal, fire and acoustic performance when compared to rigid foam boards to insulate between rafters. Mineral wool friction fits between rafters, providing an optimum seal and preventing gaps associated with rigid foam boards, which can otherwise lead to unwanted heat loss.

What is the size of a raft are mate vent?

The Raft-R-Mate attic vents install quick and easily and are sized to fit 24 in., 16 in. and 12 in. on center framing. Utilize in both new and retrofit construction. Owens Corning’s Raft-R-Mate attic vent is an extruded polystyrene foam vent designed to assure unrestricted airflow from the soffit to the ridge vent.

What is the best way to ventilate my attic rafters?

If you’re looking to ventilate your attic rafters, Owens Corning Raft-R-Mate is a XPS foam vent designed to assure unrestricted airflow from the soffit to the ridge vent.

What is the standard rafter spacing for fitfit roofing?

Fit 24″ rafters or snap in half for 16″ or 12″ rafter spacing. It takes more than shingles to protect your home. It takes an integrated system of components and layers designed to help perform in three critical areas. Even though we’re a global company, we’re always ready to answer your questions.