counter batten, check these out | What size are counter battens?

Counter battens are wooden strips that are installed vertically over pitched roofs to which horizontal tiling battens are attached. They are used to allow rainwater to pass off the tiles and away from your roof.

What size are counter battens?

Counter battens installed with rigid insulation material should be a minimum of 38 by 38mm fixed through the insulation into the structure below with helical fixings.

Do you need counter battens on roof?

Counter battens are needed when sarking or plywood boarding is installed directly onto rafters, except in situations where slates are nailed directly into timber sarking. At the eaves, insulation can be pushed up to the underside of the Permo® underlay.

What is the purpose of battens?

A batten is generally a strip of timber (although it can also be steel or plastic) which is used in the construction of buildings. They are typically used as spacers to raise the surface of a material, or as a secondary framework onto which a surface may be fixed.

Why is roof batten blue?

The reason our product is dyed blue is to distinguish it as meeting the necessary standard: it’s a colour commonly used by Nordic and Baltic suppliers. But it’s the BS5534 grading stamp, not the colour, that’s important.”

What are Sarking boards?

Sarking boards are softwood boards, generally about 150 mm wide, that are attached to the rafters of a pitched roof to give extra strength to the overall structure of a building. Firstly, sarking boards are typically used on buildings that are exposed to extreme weather conditions, such as high wind or torrential rain.

How far apart are roof battens?

Battens should be fixed to rafters set at centres not more than 600mm apart. They should span at least three rafters and be at least 1.2m long.

What is batten in roofing?

“Battens” is the common professional term for an Above Sheathing Ventilation (ASV) roofing system and is also referred to as “strapping”, or “strips”. Batten installations are also ideal for roofovers as they provide an uninterrupted level surface.

Are battens necessary?

You do not have to use a batten roofing system under most building codes. In some cases, it is necessary, but in most cases using batten on your roof is a choice to gain the benefits of using this system. There are primarily two options for roofing, a direct to deck system or a roof batten system.

What does a batten look like?

The term “batten” refers to the strip of molding placed across the joint between boards. The resulting look boasts an attractive geometry: strong vertical lines balanced by a sense of texture across the horizontal.

What is the Batten disease?

Batten disease is a group of fatal genetic disorders. There are 13 types. The disorder affects the body’s ability to get rid of cellular waste (lipids and proteins), so they build up in cells all over the body. The buildup causes seizures, vision loss, problems with thinking and movement, and eventually, death.

How do you work out batten spacing?

Measure from the top of the lowest batten to the top of the highest batten, then divide this number by the maximum gauge recommended by the manufacturer, and round this up to the nearest whole number. This will tell you how many courses are needed to tile your roof.

How do you nail battens?

Glue first, and finish with nails.

Apply a zigzag bead of glue to the back of a batten, but not so much that it oozes out when you position batten on the wall. With the batten in place, insert a couple of finish nails at angles to attach the bottom and the top of the batten to the trim boards.

How many roof tiles should be nailed?

Every tile of the two rows at the eaves, those up the verges, and along the two rows of the ridge should be nailed, but beyond that it is only necessary to nail every fifth tile horizontally and every third tile as you move up the roof.

How long do roof battens last?

How durable are battens? Most battens are supplied with an industrially applied treatment process designed to provide a 60-year design life under Use Class 2. The relevant Standard is BS 8417:2011 Preservation of Wood.

Are old roof battens treated?

Treatment – Roofing battens should be preservative treated to Use Class 2 in accordance with BS 8417. Different manufacturers use their own types of preservative treatment and may offer different guarantees as a result. JB Red Battens use a patented preservative called MicroPro.

Do roof battens rot?

You can get some rot in roof battens, but, generally, it’s at the roof’s edges, such as at chimneys or in verges – the edge of a roof that has a gable. Battens in the main body of the roof do not rot, unless there are some major long-term defects, or the tiles have become porous.