Post Species choice – Design Factors to consider when specifying-
- Grade- visual grade or structural rating or both.
- Durability- above ground (a/g) and or in ground (i/g). see- www.woodsolutions.com.au design guide 05
- Stability – normally the lower the radial shrinkage, the lower the propensity to twist and crack.
- Moisture content required(m.c.) will depend on the purpose/ use.
- Acclimatizing coatings- penetrants and end sealers. We stock Spescoat deep treat and True Blue log end sealer.
- Time of year of installation for best result
- The most stable maximum size we recommended for posts is 150×150.
- Diggers Eco In-Ground Timber Protecta is a non hazardous ‘creosote alternative’ that provides a tough bitumen coating to improve protection against moisture and deterioration on timber and masonry surfaces. … Diggers Eco In-Ground Timber Protecta is perfect for things such as: Fences, veranda posts and sleepers.
Current stock of solid posts below. – longer lengths and larger sections are sometimes available.
Kwila (merbau) BAL 29 fire rated. Termite resistant, Durability class 1. a/g Zone B, class 2. i/g Zone C- Free of heart centre, Solid dressed, pencil round edge, select grade 100×100 2.1, 2.4, 3.0 3.9 4.2 and 5.1m 120×120 3.0m 3.6 and 4.2m 150×150 2.4 3.0 3.6 and 4.8m. 200×200 is currently 7-10 working days from order.
Native white cypress- BAL 12.5 fire rated, termite resistant, durability class 1. a/g Zone B, class 2. i/g Zone C , boxed heart, sawn, unseasoned 100×100 125×125 and 150×150 generally 2.4m 3.0m and 3.6m- up to 5.4 on request. Dressed posts 90×90 115×115 140×140 up to 5.4m. Sawn 200×200 is available on request.
PNG rosewood- 100×100 sawn- 90×90 finish for furniture. Small quantities of 125×125 and 150×150.
Jarrah- 150×150 sawn free of heart, seasoned 6 years 35/1.8m – suitable for furniture, posts, staircase newel posts. unseasoned 150×150 sawn free of heart 11/1.8m.
Ironbark , spotted gum and blackbutt are generally not stocked -due to instability- and are not available seasoned. Lead time is normally 8 weeks from order.
SPECIALS- 115×115 fully seasoned PNG TAUN hardwood -select grade 12/2.4m $120 per post for minimum of 4 posts. (class 2. above ground durability- not durability rated for in- ground use) 150×150 unseasoned sawn Jarrah 1.8m $100 per post.
