Foam Cutting For Sloped Roofs

The added thickness to produce slope to drain is a positive factor in today s energy conscious society.

Foam cutting for sloped roofs. In contrast tapered expanded polystyrene eps rigid foam insulation is available in blocks up to 40 inches thick and can be cut to virtually any slope depending on the drainage needs of the building. All three major code bodies accept this standard. Foam can be used for different applications so it s one of the most versatile materials to work with for a do it yourself project. This product can be supplied in various densities.

On the gable ends this was pretty easy. It is made from. Tapered roofing is equally suited for new and replacement construction. Or sprayed polyurethane foam spf.

However some local codes accept retrofit roofs with a slope of only 1 8 of an inch per foot. Because of its size and customization options tapered eps often can be installed in a single layer. To drain and insulate dead level roof decks. Manufactured from lightweight foam control eps tapered expanded polystyrene eps roof insulation is a value engineered system that has been proven in new and reroof applications all over the country.

One of the keys to over roofing is to tie the air control layer of the roof assembly to the air control layer of the wall assembly. Yes you can install spray foam over a sloped roof. If you re framing a gable roof on a new house or building a shed or even a doghouse with a gable roof you ll need to cut a number of roof rafters. The insulation used in low slope roof assemblies typically falls into one of the four categories.

The roof rafters provide integral structural support to the roof. Spray foam can be installed on any angle of a sloped roof anywhere from a 1 12 to a 12 12 and right up to vertical. Lightweight insulating concrete lwic. On the front of the roof.

The fully adhered membrane wrapped down over the cut back roof deck to tie into the wall water control layer and air control layer photograph 11. Rigid board insulation rigid board insulation is the most common type of insulation used in low slope commercial roofing. According to the uniform building code roof systems must be sloped a minimum of inch in 12 inches for drainage. To cut the foam is a different story to cutting wood but also requires the right supplies for the task.

Our xtr pro fast wire cutters are computer controlled machines which come with our own advanced electronic controllers based on arm architecture and are connected to a pc via a usb port and then controlled with our proprietary fastwire application. The roof consists of pre designed pieces of expanded polystyrene having a slope of 1 8 3 16 or 1 4 per foot as required. Sloped roofs out of mineral wool sip panels pur pir etc. Tapered expanded polystyrene eps roof insulation was developed more than 30 years ago with a dual purpose in mind.

Before you cut your boards you ll need to measure the width of your building and calculate the exact length of each rafter. Without the right tools making those cuts and shapes can be messy time consuming and a real hassle. If you d like to know the slope of your roof here s a quick chart.