traditional ground floors have consisted of little more than a few flagstones or bricks placed directly over the soil. the victorian era saw the widespread introduction in mass housing with suspended timber floors, alongside rudimentary solid floors in hard-wearing areas such as kitchens and hallways.
constructing a suspended floor to building regs why not build a timber frame removing, insulating and restoring a suspended wooden floor. part 2 of 3 - duration: 6:03. the
the space under a suspended timber floor may be classified as either open/exposed or closed. an open subfloor has a significant air movement that reduces the effectiveness of, and increases the risk of wind damage to, any insulation installed.
q: what is a suspended timber floor? floor structures are generally one of two types solid or suspended. suspended timber floors, which are typically found in older houses, are normally made from timber floorboards which are then attached to joists just above the foundations of a house.
how to insulate under a suspended timber floor a practical guide 8 december 2016 kingspan insulation uk in this blog post we aim to provide a simple, practical guide to the best practice methods for fitting insulation boards, such as kingspan kooltherm k103 floorboard, into a suspended timber floor.
a suspended timber floor with the flooring lifted to expose the sleeper walls image courtesy of myretrofit.blogspot.com. suspended, hollow or timber floors also have a tendency to creak as the nails work loose over time. the answer to this problem can also be found in our project about stopping creaking floors and stairs.
d.j. harris, s.j.m. dudekheat losses from suspended timber floors: laboratory experiments measuring heat losses through flooring utilizing a variety of insulation and ventilation rates to determine appropriate strategies for retrofitting insulation
this article discusses the options for insulating suspended timber floors and the authors experience of insulating the floors of a 1930s house . why insulate a suspended timber floor? consider the two main sources of heat loss in a home: heat loss from the fabric of the building walls, ceilings, floors. closed windows and doors
insulating floors is often trickier than insulating other areas of your home. the ground floor beneath a house is generally warmer than the air around it, and so it would perhaps be third on your list of priorities behind walls and roofs . however, it makes sense to consider retrofitting, particularly if you have a suspended timber floor.
a suspended timber floor can be insulated from below where accessible, for example, via a cellar, cl space or external passageway. insulation batts or boards are pushed up snugly between the joists.
how to insulate a suspended timber floor. there are two priorities with suspended floors: improving the thermal insulation and draughtproofing. if theres access from below, for example a cl space or cellar, installing insulation is fairly strhtforward.
suspended floor insulation cost. best suited for older properties that have suspended timber floors in which you can access the cl space, suspended timber floor insulation lets you fill the cracks and gaps around the wooden panelling with mineral wool insulation.
application overview. insulation is placed between the joists and supported on netting e.g. polypropylene or timber battens. an important consideration is to ensure that the insulation product used fills all gaps between joists to prevent air movement which can lead to unwanted heat loss.
insulating a solid floor is a lot more trouble and expensive than insulating a timber floor. typically, the former has a payback of between 8 or 10 years or more, but the payback period for suspended timber floor insulation is between 3 and 5 years. avoiding thermal bridging
rockwool stone wool naturally provides high levels of thermal performance to prevent the passage of heat out of a ground floor. rockwool ground floor insulation solutions are available for timber floors, metal floors, precast concrete floating floors as well as beam and block floors.
so, what is a good r value rating vs. a bad rating? its simple, the higher the number, the better the rating. while an uninsulated timber floor is rated at only r0.7, with the addition of insulation, carpet and underlay, this can be increased to as much as r3.5 with the addition of r2.5 polyester underfloor insulation .
best practice for insulating a suspended timber floor part 2. question: im 70% of the way through an eco retrofit of a 1940s bungalow windows already in place but still have about 30 m 2 of suspended timber floor to insulate and air seal. i cant get a definitive idea of the best way to do it.
retrovive is a suspended timber floor insulation system that blocks draughts from entering the home while maintaining the vented space
the simplest way of insulating suspended timber ground floors is to fit insulation boards between the joists and support battens. this floor insulation method is commonly used for upgrading the thermal performance of existing timber floors as it has no impact on floor levels.