Hi it's Roy barrows I wanted to place a order with you I have got to fireproof a 150x150 mm steel post and 6 steels all 175 mm by 100 mm 2 @2.4 [email protected] [email protected] to give 30 mins fire resistance preferablly in black or if I could give them a coat of black paint after I have put that intermittent paint on its how much I need availability and cost to order it my number is also 07885200585 thank you