• Equal branch tee constructed from compressed glass wall insulation• Covered inside and outside in vapour tight aluminium foil• Water vapour resistance > 140m 2h Pa/mg• ≈ 30mm insulation thickness
Please note: To purchase this product we require a valid F-GAS number, however we do not have one on record for your account. Please contact our Customer Experience team on 01206 864467 for support with this.