Insofast flat roof nails for fixing Celotex or Kingspan 6mm plywood faced warm roof insulation boards. Fix insulation panels to rafters at spacings of 600 x 400mm centre. Thats just 6.9 / m2 / board.

Insofast roofing fixings have a spherical cap to enhance performance and a precise twist helical shank with a CSA 33% smaller than SureTwist products for reduced cold bridging and edge distance compliance. The zinc plated helical roofing fasteners are available in 6 sizes to suit a range of roof insulation panels including Kingspan or Celotex warm roof ply insulation boards. Use:

•   95mm for   40 -  60mm insulation panels
• 120mm for   65 -  85mm insulation panels
• 145mm for   90 - 110mm insulation panels
• 170mm for 115 - 135mm roofing boards
• 195mm for 140 - 160mm insulations layers
• 220mm for 165 - 185mm deep insulation

Zinc galvanised Flat Roof Nails are available in packs of 20 and boxes of 400

For fixing Celotex, Kingspan or Eco-therm insulation boards with Insofast galvanised warm roof fixings simply drive with a hammer. An SDS adapter is available for repetitive use.

Delivery Costs

Below is the standard tariff for guidance purposes.

Actual costs will be confirmed at point of sale and any variances you will be notified within 24 working hours of receipt of order

Free delivery

We offer free next-day delivery for all orders over £150 (ex VAT) (UK Mainland Only).

Next Day Delivery (UK Mainland Only)

Next day delivery is available for orders placed before 2pm Monday - Friday (working days). Delivery will be made on the next working day.

For orders placed before 2pm on a Friday, delivery will be made on the following Monday. For orders placed after 2pm on a Friday and over the weekend, delivery will be made on the following Tuesday. For orders placed on a Bank Holiday, goods will be dispatched on the next working day (e.g goods will be dispatched on the Tuesday for delivery on Wednesday). 

Pre 10.30am and Pre 12:00pm Next Day Delivery 

These delivery options are available at an extra charge. Delivery prices are shown at checkout stage. Orders need to be placed before 2pm Monday - Friday (working days) for delivery on the following working day.

Delivery Disclaimer: Acceptance of Delays

By placing an order on our website, you acknowledge and accept that delivery times are estimates and may be subject to delays due to various factors beyond our control, including, but not limited to, weather conditions, transportation issues, or other unforeseen circumstances. While we make every effort to ensure timely delivery, we cannot guarantee specific delivery dates.

If there are significant delays, we will do our best to keep you informed.

Thank you for your understanding and patience.

Returns Policy

You have 14 days from the date of purchase to notify us you wish to return your items and receive a full refund (ex. delivery and card fees) in line with our terms and conditions. Please email us to request a return at sales@twistfix.co.uk