SpletThe heartwood of durable timbers can be used in Use Class 4 for a 15-year service life. Very durable timbers should be specified if a 60-year desired service life is required. See BS EN 350-2 Durability of wood and wood-based products. Natural durability of solid wood. Guide to natural durability and treatability of selected wood species of ... SpletAcoustic performance in residential timber frame developments. The resistance to sound is not just a legal requirement; designers should take account of the expected transmission …
WIS 1-32 Upgrading timber doorsets for fire resistance, …
SpletThis Wood Information Sheet (WIS) outlines the options for improving the thermal performance of existing timber frame buildings and summarises the important issues that specifiers should consider when implementing improvements. Contents Background Options for improving thermal performance Improving airtightness Increasing roof … SpletTRADA Technology Ltd 2013 1 Wood Information Sheet WIS 2/3-3 Flame-retardant treatments for timber products CI/SfB u4 Uniclass JZ12 In many situations, timber and wood-based materials may be used in their natural, untreated state. However, flame-retardant (FR) treatments extend their use to situations that demand enhanced hiitworkout.net
Introduction to timber frame construction - The Construction ...
SpletThis Wood Information Sheet (WIS) covers the many considerations to be made when working with I-joists including the potential need for metal strapping or the need for temporary bracing or sheathing during construction due to the tendency for unrestrained joists to twist due to buckling when compressed. Contents: CE Marking Structural … SpletThis Wood Information Sheet (WIS) outlines the options for improving the thermal performance of existing timber frame buildings and summarises the important issues that specifiers should consider when implementing improvements. Contents Background Options for improving thermal... Innovative timber construction Publisher: TRADA … SpletThis Wood Information Sheet provides an overview of the ways in which epoxy resins are currently used in repair work and outlines aspects where current and future research can provide additional information to ensure the long-term performance of such systems. Document History Superseded by the 2001 edition. 1995 edition. small tupperware bowls