solar reflectance of timber wall value

Wall U-value Calculator

8, Overview, Summary, wall U-value, Floor U-value, Roof U-value, Glazing Spec, Materials, Glossary. 9 . 16, timber joists with insulation between; . 21, The relative temperature of a surface with respect to the standard white (SRI = 100) and standard black (SRI = 0) under the standard solar and ambient conditions.【Get Price】

Whiter than White report - Materials Council

decree to white-wash all walls and surfaces, white . Albedo. Albedo is the term used to describe the total solar radiation . The Light reflectance value (LRV) of a material . timber, s - are derived from many different materials and.【Get Price】

Using Light Reflectance Values (LRV) - Master Painters NZ

reflectance values. The light reflectance value of an individual colour indicates the amount of light . as dining rooms to d the walls in and make the room seem cosier. . reflect some of the sun's harmful energy while the dark colours absorb most of it. . gets absorbed and/or is reflected by the underlying timber. A stain .【Get Price】

Lightweight framing | YourHome

This can result in lower life cycle energy use (see Embodied energy; Design for climate; Passive solar heating; Passive . timber wall frames are typically either 90mm or 70mm deep with 35mm or 45mm thick studs depending on load and . While timber is a natural insulator and a poorer thermal bridge, it still typically has a lower R value than insulation materials. . Sound travels via floors, walls and ceilings in lightweight framed buildings, by both direct path and reflection, and each .【Get Price】

Solar-Reflective Colorants | | PCI Magazine

1 Jan 2014 . The aim of solar-reflective coatings is to maximize the solar reflectivity of the coated surface. . EIFS are multi-layered exterior wall systems that are used on both commercial buildings and homes around the globe. . EIFS manufacturers specify the selection of a finishing coat with a light reflectance value (LRV) of at least 20. The use . Picassian AC-169: high quality wooden surfaces .【Get Price】

Solar Reflectance for Walls| Concrete Construction Magazine .

SRI is a composite value accounting for a surface's solar reflectance and emittance. reflectance and emittance are so-called radiometric properties (see Terminology, for more definitions). These are properties that vary with the direction of .【Get Price】

CODE ON ENVELOPE THERMAL PERFORMANCE FOR BUILDINGS

Table C3 solar Correction Factors (CF) for walls (RETV). 33. Table C4 . Standards: i. Envelope Thermal Transfer value (ETTV) for air-conditioned non- . a new formula, known as 'Roof Thermal Transfer value' (RTTV), replaces the . reflectivity and low surface emissivity. . (c) marble / terrazzo / ceramic / mosaic. 2640. 1.298. 21 Tile, roof. 1890. 0.836. 22 timber: (a) across grain softwood. 608.【Get Price】

Using Light Reflectance Values of Paint Colours - Resene

If you have painted a wall with matt paint and find it is too flat you can paint over the top with a glaze to increase the light reflectance. Colours with . Click here for information on Total solar reflectance and Resene CoolColour technology. The light . A stain applied over Pine will also have a substantially higher light reflectance value than the same stain applied over a darker timber like Kwila. This is why .【Get Price】

User Guide for Homes - EDGE Buildings

13 Jun 2016 . Table 10: Thickness of insulation required to achieve a U value of 0.45 W/m² K . . solar Reflectivity for Paint - wall Reflectivity of the external finish of the walls of a typical practice building. If local .. include insulating empty lofts, stud walls, and under suspended timber floors.【Get Price】

Ideal colours for painting Design Pine - Big River Building Products

be limited to a Total solar reflectance (TSR) value . The light reflectance value (LRV) for standard exterior paint . Design Pine is manufactured from timber which is a natural . wall once the board normalises from the expanded state. Store.【Get Price】

Cool Roofs: City of Melbourne Research Report

15 Sep 2011 . The two basic characteristics that determine the 'coolness' of a roof are solar reflectance. (SR) and thermal . The un-insulated timber floors and the absence of weather strips to . Material. Thickness (mm) or R value. Masonite. 6. Mineral Wool. 50. wall layers. Particle Board. 9. Masonite. 5. Mineral Wool.【Get Price】

User Guide for Homes - IFC

15 May 2015 . Window to Floor Ratio EDGE calculates a default value for the window to floor ratio. To change this . solar Reflectivity for Paint - wall Reflectivity of the external finish of the walls of a typical practice building. If local .. include insulating empty lofts, stud walls, and under suspended timber floors.【Get Price】

Solar Reflectance Index Measurements - Surface Optics Corp.

In cases where the manufacturer can not provide the SRI of a material, or the manufacturer is unknown, the USGBC allows for SRI values to be obtained from a laboratory following the appropriate ASTM standards for reflectivity and emissivity .【Get Price】

Opaque construction materials solar loads calculation: Dependence .

Generally the solar reflectance associated to construction material surfaces is considered perfectly diffuse, namely they . The reflectance shape and the hemispherical values of two materials used for roofing are measured by means of a .【Get Price】

User Guide for Homes - GBCSA

7 Jul 2016 . Table 11: Thickness of insulation required to achieve a U value of 0.45 W/m² K . . solar Reflectivity for Paint - wall Reflectivity of the external finish of the walls of a typical practice building. If local .. include insulating empty lofts, stud walls, and under suspended timber floors.【Get Price】

Cladding systems | YourHome

It is a key element in the aesthetic appeal of the home and directly influences both building cost and property value. . West-facing gable walls are clad in durable steel, while the sun-protected north, south and courtyard walls are clad in weatherboard. . (i.e. effectiveness of cladding in protecting other elements from weathering and condensation); contribution to thermal performance (e.g. insulation, reflectance, . All timber cladding materials are subject to termite attack unless treated.【Get Price】

SIPDS No 2 Timber - Resene

2 Mar 2018 . Note 9: LRV Light Refection value, TSR Total solar reflectance . . Spec Sheet 2:1/1 - timber, Plywood and Weatherboards Paint Finish: New Un-primed timber, . Spec Sheet 2:14/1 - New Interior walls-particle board.【Get Price】

Design Pine Colour Guide

be limited to a Total solar reflectance (TSR) value . The light reflectance value (LVR) for standard exterior paint . Design Pine is manufactured from timber which is a natural . wall once the board normalises from the expanded state. Store.【Get Price】