FLAT ROOFS 
STEEL DECKING 
RIDGE ROOFS 
SLATE (MATERIAL) 
DORMERS
STEEL ROOF 
TRUSSED RAFTERS 
CORRUGATED SHEETS 
VAPOUR BARRIER 
GUTTER
DEFINITIONS & REFERENCES
Flat Roof
Decostore, https://decostore.com.br/blog/projetos/casas/residencia-bt-estudio-jorgelina-tortorici-arq/
Steel Roof
Roofing Calc, https://www.roofingcalc.com/zinc-roofing/
Steel Decking
Metal Deck UK, https://www.metaldeckuk.com/services/metal-decking-and-flashing/
Vapour Barrier
Construction Canada, https://www.constructioncanada.net/the-air-vapour-barrier-must-die/
Ridge Roofs
Earthly Matters Roofing, https://earthlymattersroofing.com/consider-adding-roof-ridge-vents-when-replacing-your-roof/
Trussed Rafters
Scotts of Thrapston, https://www.scottsofthrapston.co.uk/news/trusted-trusses-driven-by-quality/
Slate
Ehow, https://www.ehow.com/way_5723835_can-paint-slate-tiles_.html?p=d
Corrugated Sheets
MTC CHINA, https://mtc-china.com/corrugated-sheet-forming-machine/
Dormers
Roofing Calc, https://www.roofingcalc.com/top-10-roof-dormer-types-and-costs/
Gutter
The Supruce, https://www.thespruce.com/best-types-of-gutters-for-your-home-4148490
