Many historic buildings have exposed timber beams and rafters that will have, over many years, become a serious fire hazard. It just needs one electrical short, a carelessly tossed cigar or cigarette butt or an over heated light fitting to ignite dry wood.
Our answer to this is TimberCheck the sister product of Firecheck. Colourless and odourless it can be applied safely and show no visible change to the character of the wood. As with all applications we always test a small unseen area first to ensure compatibility.
Tapestries, drapes etc. can be treated in situ using Firecheck and as stated above would also be tested on an small inconspicuous area.