Twistfix

Non-combustible stainless steel helical insulation fixings for EWI and soffits
SKU
ISF35-110-20-A2
Price excl. VAT
£18.14
Price incl. VAT
£21.77
(20 items in stock)

Metal insulation fixings for fireproof insulation boards and panels. Superior insulation fasteners with twice the performance of friction-fix tube anchors.

Insofast-35 fixings have a 35mm perforated head.  A dome-shaped reinforcing centre is attached to a patented precise pitch Thor Helical shank to corkscrew into a variety of building materials including concrete, brick, perforated brick, Thermalite block. Theses metal fasteners are suitable for fixing mineral wool insulation to masonry walls and concrete soffit boards in all applications where fire-resistance is required. Also suitable for fixing Kingspan or Celotex panels where external wall insulation includes rendalath, expamet  or other mesh types.
Insofast-35 fixings are available in 304 grade Stainless Steel.

110mm insulation fixings for 40-70mm insulation boards
145mm insulation anchors for 75-105mm insulation slabs
170mm fireproof fixings for 105-130mm insulation panels
200mm metal fasteners for 135-160mm insulation boards

Twistfix sell Insofast-35 metal insulation fixings in packs of 20. For fixing insulation boards drill 5mm ( brick) or 6mm ( concrete) pilot hole 10mm longer than the anchor and hammer at least 40mm into masonry. No pilot hole required for fixing the fasteners to Thermalite or Celcon blocks

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

Delivery Option

   Price

UK Next Working Day (UK Mainland)

   £5.99 ex VAT (for orders below £150.00 ex VAT)

Free Next Day Delivery (UK Mainland)

   Free (for orders £150.00 ex VAT and above)

UK Next Day Pre 10.30am
   £19.00 ex VAT

UK Next Day Pre 12 (Noon)

   £13.00 ex VAT

UK Saturday Delivery

   £26 ex VAT

Northern Ireland (2-3 days)

   £49.99 ex VAT (weight up to 30kg)

   £60.00 ex VAT (weight between 30.1kg – 99.9kg)

   £90.00 ex VAT (100kg +)

Highlands & Islands of Scotland (2-3 days)

   £34.99 ex VAT

Click & Collect (from Preston, PR5 8AS)

   Free

Isle of Wight (2-3 day)

   £39.99 ex VAT (up to 30kg)

   £60.00 ex VAT (30.1kg +)

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.

International Delivery

Please note we no longer offer international delivery. 

Further information regarding Delivery can be read at our Terms & Conditions.

Returns Policy

Items returned and received in their original condition and packaging within 14 days of delivery will be accepted for exchange or refund subject to a 20% restocking fee. You will be responsible for the shipping costs incurred in returning the goods and should ensure the items are adequately insured while in transit to us. You should email sales@twistfix.co.uk to request to return items.

Where the goods are being returned because they are faulty or are not the goods that were ordered then, subject to the goods being returned in re-saleable condition, Twistfix will refund the cost of return shipping. Further information regarding Returns can be read at our Terms & Conditions.

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