5 – The ridge element should overlap the ONDULINE® sheet minimum 12 cm.

How much do you overlap onduline?

5 – The ridge element should overlap the ONDULINE® sheet minimum 12 cm.

How much should corrugated roofing sheets overlap?

Corrugated sheeting should always overlap by a minimum of one corrugation, this can be known as side laps. When overlapping corrugated sheeting its advised you use cladco lapping tape.

Can you stand on onduline roofing?

Working on roofs can be a hazardous operation. Personnel should walk on roofs only if this is absolutely necessary, and should use planks or ladders laid flat and supported by the roof purlins, in order to carry out maintenance and related work.

How many nails do I need for an ONDULINE sheet?

20 nails
We recommend 20 nails per Onduline Sheet. DELIVERY CHARGE IS CALCULATED AT BASKET AND IS BASED ON WEIGHT, THE DIMENSIONS OF YOUR PARCEL AND YOUR LOCATION. Nail Length including cap: 73mm Effective Nail penetration length: 65mm.

Can you bend ONDULINE?

Installation Advice: Curved roof. Onduline is an amazingly versatile material and can be moulded to fit curved or round roofs.

Is onduline better than felt?

After two to five years the shed felt can start to crack and tear, which will inevitably let water in. Onduline corrugated roof sheets are a great upgrade to standard shed felt and are guaranteed to keep your garden buildings dry and watertight for longer.

Can you bend onduline?

How many screws do I need for an onduline sheet?

Approximately 20 fasteners, nails or screws, must be fixed per sheet depending on the roof pitch. It is important to use Onduline fasteners as they are specifically designed, developed and manufactured to suit the roofing application requirements with ONDULINE sheets.

Can you cut onduline?

ONDULINE is a relatively soft material that can be cut with a circular saw, a jigsaw, a saw, or even a simple cutter. Note some bitumen may remain on the blade after use.

What is the difference between Coroline and onduline?

The main difference between the two roofing sheets is their thickness, weight, and price. Whilst Coroline sheets are 2.6mm thick, Onduline is slightly thicker at 3mm. Onduline sheets are therefore more rigid and capable of withstanding more impact.

What is a roof lap?

The side lap also is referred to as a side joint, vertical joint, keyway, bond line or rain course. As defined in the glossary of the NSA manual, it’s “the longitudinal joint between two slate shingles”. Whenever one is installing a slate roof, it is absolutely imperative the side lap is a minimum of 3 inches.

Do purlins go on top of rafters?

Purlins are installed horizontally under metal roofs. They are installed on top of the roof rafters with a felt underlayment or vapor barrier installed on top. Purlins are 2 by 4 feet and are installed much like metal roofing.

Is onduline waterproof?

Onduline offers an impressive 15-year waterproof guarantee with the Onduline Classic roofing sheets. The sheets are completely safe and have no asbestos properties, and they are BBA certified. Onduline roofing sheets are fast and easy to install, and the material is very easy to cut.

How many nails do I need for an onduline sheet?