BLOSTM
✓Price
$75.99
PIR Insulation Board 1200 x 450 x 75 mm; 47.2 x 17.7 x 2.95 in, One Panel Covers 0.54m² (5.81 ft²), Rigid Thermal Panel with Aluminum Foil on Both Sides for Walls, Roofs, Floors and Sheds
★★★★★
$75.99
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1
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About this item
- Strong Thermal Performance – Built with rigid PIR (polyisocyanurate) foam and aluminium foil facings on both sides, the boards deliver excellent insulation with a declared thermal conductivity of λD: 0.022 W/(m·K) (EN 13165). The foil layer reflects radiant heat, helping reduce heat loss in winter and overheating in summer.
- Versatile Use Across Surfaces – Suitable for wall cavity insulation, flat roof insulation, floor upgrades, and shed insulation. Also used in DIY projects such as camper conversions and pet enclosures. Improves comfort in homes, lofts, garages, and outbuildings by keeping the indoor climate stable year-round.
- Size & Weight – Each rigid insulation board measures 1200 x 450 x 75 mm (47.2" x 17.7" x 2.95") and weighs 0.75kg (1.65lbs), and covers 0.54 m² (5.81 ft²). Easy for one person to carry, cut, and install, saving time and effort on home or outdoor projects.
- Quick to Cut and Fit – The rigid insulation foam can be trimmed with a sharp knife or fine saw for accurate sizing, while the foil face adds durability. Designed for hassle-free installation.
- Durable, Rigid and Reliable – A 100% CFC, HCFC, and HFC-free insulation board. This thick insulation board 75mm is resistant to moisture and tested for mechanical strength, providing long-lasting performance in building and renovation projects, including floor, roof and wall insulation. Fire safety tested to EN 13501-1 Class E.
Product details
Customer reviews
What customers say about Bigamart
10 Trustpilot reviews total, with 2 shown at a time.
Trustpilot
★★★★★
Excellent
4.5 average rating
S
Sigalit
🇮🇱 · January 2026
★★★★★
I wrote to Bigamart's customer support and they accompanied the process of reshipping the item until it finally arrived. I felt a genuine effort to solve the problem till it was finally solved.
V
Verified buyer
🇦🇺 · November 2025
★★★★★
The package was here in Australia from England in a few days — so quick! Something was missing and they refunded it straight away. Pretty happy with these guys.
Showing 1–2 of 10 reviews
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