RDSIPS supplies premium SIPs annex kits that are warm, durable and highly energy-efficient — quick to install and built to last.
RDSIPS Annex Kits
MODERN • ENERGY-EFFICIENT • BUILT TO LAST
Premium SIPs House Extensions Designed for Space, Comfort & Value
Create a warm, modern living space with a high-performance SIPs annex kit built for comfort, strength and long-lasting value — all fully compliant with UK building regulations.
LIMITED TIME OFFER 10% on all SIPs house extensions this month.
10% Off • This Month Only
