With attic trusses, it is possible to span broader distances onto exterior load-bearing walls, with regards to the dimension with the room or preferred span. Bored piles make use of a constant auger, similar to an incredibly massive drill little bit, between 300mm and 900mm diameter. For large diameter piles, https://seo-a1directory.com/listings447682/the-ultimate-guide-to-prefabricated-roof-trusses-prices