hey folks,
looking for some tips on roof insulation. Had one guy who works in construction recommend I consider installing Anticon insualtion directly onto the tile battens for a tiled roof. Have googled and first page from the manufacturer mentioned anticon is recommended for tin roofs.
Reason the construction guy suggested installing into the ceiling battens is due to some visible smoke damage on the timber and tiles. Everything is structurally sound, so I’m not trying to hide structural defects, just trying to deflect attention from smoke damage…
anyone used anticon before? anyone installed insulation onto the tile battens? or am i looking at the wrong thing and should just consider ceiling insulation as per usual.
also, as a very rough ballpark prior to seeking quotes, what sort of ballpark figure could i be looking at for insulating a 4 x 1 average size brick/tile home?
Cheers,
EmmaNot sure what you are trying to do. If this is an existing tiled roof you would need to remove the tiles to install the Anticon over the tiling battens. Is there smoke damage to all roof framing – battens, rafters or trusses, ceiling joists? If so, how were you looking to hide the smoke damage to the rest of the roof framing? Anticon is usually used under sheet metal roofing, where the reflective foil facing prevents the build up of condensation in the roof. A foil sarking is usually placed over the battens with a tiled roof increased weatherproofing (again, you would need to remove the tiles to place the sarking), then a thermal insulation blanket placed on the ceiling between joists.
Thanks Trev, appreciate your comments. I know nothing about roof insulation, not having used any before…
The person who mentioned this option to me did not advise the tiles would need to be removed, so I am guessing this would add significant $$ to the installation price. I did read that Anticon was more appropriate for tile roof, and the ceiling guy did mention foil sarking.
There is smoke damage to joists and underpurlins also, not just the battens, so you're right in that other areas would have visible smoke damage also.
May not be a worthwhile/cost effective solution after all…
Cheers,
emmaHint oh Wise one, smoke does not damage timber. What you might be seeing is either smoke residue (black soot etc) which is cosmetic – paint the joists if you're that desperate or charring from flames – which is much more significant and is damage.
The idea of insulation is to slow the transfer of heat either loss of heat from inside (in winter) or slow down the heat gain from the roof into the room below. Sisalation (shiny one side/blue on the other) generally goes between the roof battens and the rafters (before the roof is tiled) – this will not disguise any damage or smoke residue.
Bulk insulation eg batts goes between the ceiling joists.
Both serve their purpose in insulating the roof, sisal slows the heat gain from the sun into the roof space, bulk insulation slows the tranfer of heat from the roof cavity to the room and vice versa.
thanks scott, makes sense. will flick the sisal then and just install thick, new ceiling batts. Any timber with charring are being removed and replaced by the roof carpenter so as you rightly say, its only cosmetic. its just frustrating as the rest of the house will show no history of the fire in all its newly renovated glory, but unless i scrub or paint all the roof timber its a dead giveaway in there. just don’t want some future purchaser getting turned off due to the fire or trying to ask for a discount or anything!
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