eXtreme Joist 44 x 44 DAR Primed H4 5.4m

H4 treated eXtreme Joist is suitable for applications where timber will come in contact with the ground, while also offering protection against insect attack and fungal decay. With joist options for all applications whether it's laying directly over patio, concrete balcony or a new external deck eXtreme Joist has it covered. eXtreme Joists are also double primed for added protection against moisture ingress.