High Quality Seconds Insulation Boards
The preferred choice for budget installations
Seconds Insulation is the leading supplier of high-quality 'B' grade insulation boards in the UK. With a focus on affordability without compromising on quality, we take pride in offering top-notch products to the private market. Our boards are sourced directly from renowned manufacturers like Celotex, ensuring that our customers receive the best insulation solutions. Click here to explore our range of products.
About Seconds Insulation
Based in the South East of England
At Seconds Insulation, we are dedicated to providing superior insulation solutions to our customers. Our journey began with a vision to make high-quality insulation more accessible and affordable. We believe in transparency, integrity, and exceptional service, and we strive to reflect these values in everything we do.
Storage Facilities
All of our 'seconds' insulation boards are kept in a large warehouse in the South East of England
Seconds Insulation Boards
Our seconds insulation boards may have slight cosmetic imperfections, but they deliver excellent thermal performance as 'B' grade materials. Perfect for walls, floors, and roofs where appearance isn’t critical.
Grab a quote and we'll send a text or a call back with details of our products
All individual board prices listed below are for orders over 100 boards total.
20mm Celotex "Seconds"
1,200mm x 2,400mm
25mm Celotex "Seconds"
1,200mm x 2,400mm
30mm Celotex "Seconds"
1,200mm x 2,400mm
40mm Celotex "Seconds"
1,200mm x 2,400mm
Price as low as
£6+VAT per board
Price as low as
£7.00+VAT per board
Price as low as
£7.50+VAT per board
Price as low as
£11.50+VAT per board
50mm Celotex "Seconds"
1,200mm x 2,400mm
60mm Celotex "Seconds"
1,200mm x 2,400mm
70mm Celotex "Seconds"
1,200mm x 2,400mm
75mm Celotex "Seconds"
1,200mm x 2,400mm
Price as low as
£12+VAT per board
Price as low as
£15+VAT per board
Price as low as
£17.50+VAT per board
Price as low as
£18.50+VAT per board
80mm Celotex "Seconds"
1,200mm x 2,400mm
90mm Celotex "Seconds"
1,200mm x 2,400mm
100mm Celotex "Seconds"
1,200mm x 2,400mm
110mm Celotex "Seconds"
1,200mm x 2,400mm
Price as low as
£19.50+VAT per board
Price as low as
£22+VAT per board
Price as low as
£25+VAT per board
Price as low as
£26+VAT per board
120mm Celotex "Seconds"
1,200mm x 2,400mm
130mm Celotex "Seconds"
1,200mm x 2,400mm
140mm Celotex "Seconds"
1,200mm x 2,400mm
150mm Celotex "Seconds"
1,200mm x 2,400mm
Price as low as
£30+VAT per board
Price as low as
£32+VAT per board
Price as low as
£34+VAT per board
Price as low as
£38+VAT per board
165mm Celotex "Seconds"
1,200mm x 2,400mm
200mm Celotex "Seconds"
1,200mm x 2,400mm
