Question: What are roof battens made of?

Roof battens are thin strips of material that may be made of wood, plastic or metal. They’re installed before the tile is laid on the roof and may serve more than one purpose.

What type of wood are roof battens made of?

Timber – The type of timber used for a roofing batten is significant. The species of tree from which the wood has come from should be stamped on the batten. Here at Marley, we only use slow-grown imported redwood or whitewood for our JB Red Battens.

Why are roofing battens 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 size timber is used for roof battens?

Timber battens for metal roofs come in a range of sizes: 75 x 45. 90 x 35. 90 x 45.

Why are roof battens pink?

JB Red is the branding given to our BS 5534 graded roofing battens, which are coloured red to help identify the batten as graded on site. It is part of the trademark that sets the JB battens apart. … This gives a straight distortion free batten that is light to handle and meets the required moisture content in BS 5534.

INTERESTING:  What do you need to install a roof top tent?

Why are wood battens blue?

For fixing Roof Tiles, Slates, and sheets, Batten colour may vary. The battens are blue in colour indicating that each individual batten has been assessed, graded and complies with the strength requirements of BS 5534 : 2003 + A1 : 2010.

What are Type A battens?

These Green Treated Battens are Type A and are ideal for a wide range of construction applications. Green wood is freshly cut and will have a high moisture content compared to seasoned timber. The green treated battens are flexible and soft making them a great choice for lathe and chisel work.

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.

How long do roofing battens last?

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.

Why are roof battens blue or red?

The original idea behind putting a dye into the battens’ preservative treatment was to make “graded” battens stand out from the usual, “ungraded” ones (which usually look a bit green in colour, on account of the type of preservative used) and for that reason, the colouring process was originally very successful – with …

Should roof battens be nailed or screwed?

The nails should provide a minimum of 40mm penetration into the rafter, so a nail length of 65mm is generally recommended. Start at the lower edge of the roof, nailing the batten into place at the centre of the rafter. Joints should be directly over rafters, with the batten square cut, tightly butted and skewed nailed.

INTERESTING:  How do you put a roof on a house?

Are roof battens structural?

The quick answer is YES. Roof battens no matter how you look at them are a structural element of any roof. Roof battens are one of those constantly misdiagnosed and overlooked aspects of roof construction. But roof battens provide some extremely important structural functions to protect your roof.

How thick should battens be?

Batten Sizes

A true batten is 2-inches in width or smaller, but you can use larger widths by installing trim in place of a batten if you want a thicker appearance. They’re installed directly over the vertical panels to get the traditional look.

Are blue roofing battens treated?

Sawn, treated, premium softwood roofing batten, fully graded to meet BS5534. Our timber batten is pressure treated to resist rot and insect attack, and machine graded to meet BS5534. …

Which is the best timber for roofing?

Different layers of thickness are available for plywood and it is made in sheets. The sheets are practical solutions to cover roofs as they are flexible and can withstand pressure and are puncture proof compared with OSB. The plywood is the more popular choice because of its price and flexibility in installation.

What is BS5534?

BS 5534 is the code of practice for installing slates and tiles to new-build pitched roofs and vertical cladding. It was the first guidance of its kind to provide recommendations on the design, performance and installation of new-build pitched roofs using slates, tiles, shingles and shakes.