The best installation method is to leave a gap between the drip edge and the fascia board, about the width of a finger. The shingles should also overhang the drip edge 3⁄8 to 1/2 an inch.
Do you install fascia before roof?
Fascia and soffit are installed after the roof installation is finished. It is ideal that soffit and fascia materials be installed before you place tiles or any other type of roofing material on the roof. … The fascia board is the long straight one that you will find running along the roof’s lower edge.
Do I need a Subfascia?
Though not required by building codes, the reasons for subfascia have more to do with evening out the rafter tail irregularities and providing structural support for the roof edge and gutters. … Another reason many trim manufacturers include 2x subfascia in their installation details is for gutter support.
How much should a gutter overhang?
A safe distance between the gutter and the roof edge should be between 2 to 3 inches. If the gutter distance is more than 3 inches, the rain will run off the roof and won’t drain properly.Does roof sheathing go on top of fascia board?
When sheathing a roof, the first step is to snap a line so that the first row goes on straight. But if you snap it at 40 inches, then the sheathing will not project over the subfascia or true fascia. This opens the door to the possibility of water damage by letting gravity work against you.
How far should shingles extend over drip edge?
Shingles should not extend more than 3/4” (19 mm) past the drip edge. If shingles overhang the edge of the roof by more than 3/4” (19 mm), then they are not supported and may crack and break off. In addition, the wind resistance at the roof edge may be compromised.
What side goes up on OSB plywood?
OSB roof panels should always be installed with the grade stamp facing into the attic and the screened surface (with the nail guide lines) facing up.
What is the difference between sheeting and sheathing?
As nouns the difference between sheathing and sheeting is that sheathing is something that wraps around or surrounds something, as a sheath encases its blade while sheeting is fabric used to make sheets (bedding).What is sheathing plywood used for?
Sheathing: Standard construction plywood used for wall sheathing, roof decking, floor structures (subflooring) and general rough construction where looks and surface imperfections aren’t important.
How is fascia attached?The fascia board is nailed to the rafter feet and usually has a rebate or lip for the soffit boards to slot into. They are then either fixed to a batten that is attached to the brickwork, or sat on top of the last course of brickwork.
Article first time published onDo fascias or soffits go first?
What is a soffit? Soffit, or soffit boards, are similar to fascia, but instead of running parallel to the walls of the building, they are installed at a 90-degree angle to the walls. Soffit boards are fitted underneath the fascia boards, to fill the gap between the fascia and the wall.
Does the gutter go behind the drip edge?
It is recommended that gutters are placed under or ‘behind’ the drip edge of your roof. … If gutters are installed below the drip edge, water can drip behind the gutter and cause damage to the wood supporting the gutter system.
Can a Neighbours gutter overhangs my property?
Legally speaking, you own the airspace above your land, thus your neighbours guttering should not overhang on your property and they are trespassing.
What is sub fascia for?
The sub-fascia (or rough-fascia) is part of the framing. It supports the roof sheathing at the eaves, and provides backing for the gutters. That said, many older houses, or those with exposed rafter tails, don’t have a rough fascia.
What is the purpose of a sub fascia?
A fascia board’s primary function is to protect your home from interior and exterior moisture-related damage by preventing water infiltration. This is why it is critical that the fascia board adequately supports the gutters and keeps them in place.
What kind of wood is used for sub fascia?
Many different types of wood are suitable for fascia boards. Spruce, pine and fir are all popular and relatively inexpensive options. However, some roofers prefer to use cedar, cypress or redwood for fascia boards. While they are more expensive, these woods better resist moisture, even when left unsealed.
What is roof overhang?
The roof overhang refers to how much the edge of the roof goes beyond the house siding. Under the overhang is a structure known as the soffit. Most homes have an overhang, however, length varies greatly depending on the architectural style of the roof, with slate roofs having longer overhangs typically.
How do you attach fascia to roof trusses?
Instructions for How to Attach Fascia Board to Roof Trusses Mark the place closest to the end of the board that aligns with the center of a joist. Use the carpenter’s square and pencil to put a straight line at the mark. Cut the board with a miter saw. Position the board against the trusses and nail it in place.
Is OSB stronger than plywood?
OSB and plywood offer similar (and sufficient) performance in terms of strength and functionality, though plywood is about 7% stronger. … Plywood will absorb moisture quicker than OSB, but consequently it will also dry quicker.
What happens if you install subfloor upside down?
Upside-down Installation: Panels may be sanded on one or both sides. … Installing some panels with the trademark side up may result in a slightly uneven surface. If bulk water is present on the subflooring panels, drill drainage holes or sweep the water off.
Is OSB board better than plywood?
Osb is stronger than plywood in shear. Shear values, through its thickness, are about 2 times greater than plywood. This is one of the reasons osb is used for webs of wooden I-joists. However, nail-holding ability controls performance in shear wall applications.
Should drip edge be tight to fascia?
A vertical drip edge lip extends down roughly 1 5/8″ and as Steve points out, should not be set tight against the fascia board or water may run behind the gutter and down the fascia, inviting leaks and rot.
Do you install drip edge before fascia?
The correct placement of a roof drip edge is on top of the roof’s exterior cover directly between the sheathing and the fascia board, which forms a drainage gap between the drip edge and the fascia board. As a result, the drainage improves water flow and protects the roof from potential water damage.
Should shingles overhang gutters?
Most shingle manufacturers recommend a 1/4 to 3/8 inch overhang over your eave, which is where your roof ends by your gutter. In many cases, and particularly as home ages and settles, the roof edge at the eave edge can wave in and out by more than this amount.
Is plywood sheathing better than sanded plywood?
Sanded plywood features face and back (top and bottom) plies that are sanded in the manufacturing process. It is typically used where it will be seen such as for cabinets, shelves and paneling. … Plywood sheathing or structural plywood is designed for permanent structures.
What is the difference between sheathing and regular plywood?
The biggest difference between the two panels is how they react when exposed to large amounts of moisture over extended time periods. … When used as a roof sheathing, this tendency to hold moisture means it can degrade faster than plywood when exposed to chronic leaks.
What is the difference between sheathing and underlayment?
Basic Floor Construction Considerations Rated Sheathing or Sturd-I-Floor may be used with an underlayment for vinyl, ceramic tile or fully adhered carpet. An underlayment is optional for Rated Sheathing or Sturd-I-Floor when used with hardwood.
Is sheathing structural?
Exterior wall sheathing is either structural or non-structural. Structural exterior wall sheathing ties framing studs together, making the walls resistant to twisting and bending. However, most structural exterior wall sheathings lack insulation value.
How thick should wall sheathing be?
The U.S. Department of Energy has determined that 7/16-inch sheathing is the minimum appropriate thickness for structural wall sheathing with an exception for gable end walls, where the minimum thickness is 3/8 inch.
What does sheathing mean in construction?
Sheathing is the protective covering or casing used on flooring, walls and roof assemblies on both residential and commercial buildings. Why is sheathing essential you may ask? Sheathing is the base on which material will be applied onto such as flooring, roofing shingles, and siding.
How thick should fascia board be?
Replacement fascias do vary in thickness by manufacturer, but the rule of thumb is that to qualify structurally as a replacement board they should be somewhere between 16mm and 25mm thick – our most common range is the 18mm Replacement Fascia.
