Timber Frames

1. SMART STUMPS

Steel-MAX has designed a special range of 75mm & 89/90mm stumps specifically to suit Timber bearers.

STUMP TUBE:

The stump tube is either 75×75, 89×89 or 90×90 Gal. SHS and will vary in wall thickness to suit load requirements.

STUMP BASES:

Stump bases are in the form of a “U” shaped bracket, for multi-position and multi-angle connection to footings.Special “Moment Base plates” are available for mezzanine floors and where maximum bracing stability is required.

STUMP TOPS:

Stump tops fit any wall thickness tube and are telescopically height adjustable up to 75mm. They have vertical “fin plates” to suit from 90mm to over 300mm high timber bearers. They provide maximum support and hold-down, through the bearer’s web, giving the bearers lateral stability. Special screw adjustable tops are also available and are particularly useful for reactive soil conditions. Centre fin tops, to suit 75mm stumps, can be used between back-to-back bearers or beams. Multi-top stumps are also available for applications where bearers can be joined at “T” intersections and 90 deg corners. Flush fitting tops are used to keep 50mm bearers flush with face of stumps and are great for verandah decks.

POST SLEEVES:

Post sleeves may be used to carry bearers which need to be fixed to the face of a verandah post, or a higher stump which continues up to support a different level floor, such as in split levels.

2. BRACING:

“U” shaped bracing brackets are connected to stumps and bearers, to carry either 12mm or 16mm threaded bracing rod, to form sub-floor cross bracing sets. They yield up to 15 kN or 22 kN capacities respectively.

3. CONNECTORS:

• “L” fixed angle brackets may be used at 90 deg member connections in a variety of applications.

They are also useful when connecting trimmers around stair voids and “in-plane” joists.

• Hinged “H” brackets can be used at angled connections, similar to the “L’ brackets.
• Joist connector brackets are in the form of an angle, which are usually fixed vertically to both the bearers & joists. They help support both members and provide good hold-down and lateral stability to joists.

They are available in 200mm and 295mm lengths.

4. DURABILITY:

All Steel-MAX products have corrosion protection, such as Dacrotising ( refer to web site at:- http://www.dacro.co.kr/eng-3.htm ) as well as Galvanizing and Galvabond finishes. Refer also to the Steel-MAX corrosion protection recommendations.

5. TECHNICAL SUPPORT:

Contact Steel-MAX via the web site, email, phone or fax; or ask your timber supplier.

6. ENGINEERING:

Engineering design and certification is provided by H.R. Design Group P/L (Hunt Robinson Engineers) for the Steel-MAX products for use with timber sections, in a floor framing system. A copy of the standard letter of certification is available from the Steel-MAX web site. Steel-MAX does not provide individual job certification, footing or sub-floor bracing designs, or certificates of compliance. These are generally site specific and should be provided by the project engineer.

7. JOB DESIGN:

Refer to your timber supplier to determine the most suitable timber member sizes for your project, or ask your supplier representative for assistance from Steel-MAX to offer a floor design solution for your project, including all necessary Steel-MAX companion products to complete the floor system.

8. FIXINGS:

Refer to the Steel-MAX load capacity tables on page 14 , (provided by the H.R. Group) and have your project engineer specify your individual job requirements. However; for uniformly loaded domestic applications, consider the following as a guide only :- Stump bases to stump tube = 6 / 14 g hex teks ( 3 in each face ) Stump tops to stump tube = 8 / 14 g teks up to 8 m2 of floor area carried by the stump, then 1 / screw per m2 or 1/M12 bolt per 5 m2 of area extra over the first 8 m2. Sleeves to tube = 8 / 14 g teks per sleeve. Bracing brackets = 4 / 14 g teks per brackets for 12mm rod and 1 / M16 bolt per bracket for 16mm rod. “L” & “H” connector brackets = 8 / 10 g teks for joist to bearer connections and 8 / 14 g teks for bearer to bearer connections. Joist connector brackets = use 6 / screws per brackets ( 3 in each member )

9. AVAILABILITY:

All necessary Steel-MAX “Companion products” to Timber Floor Framing Systems are available from your participating timber supplier, or by contacting Steel-MAX Distribution by contacting us here or by emailing direct to info AT steelmax DOT com.au

10. APPLICATION DETAILS:

The suggested methods of using Steel-MAX “Companion products” in relation to timber sections for a restricted number of common construction applications. Additional information and special designs are also available from Steel-MAX. The information contained within this document or any other provided by Steel-MAX does not represent, form or replace your timber supplier’s official documentation, relating to the any proprietary floor framing system. All information shown, enclosed and contained within this and associated documents represents suggested methods of using Steel-MAX components in conjunction with timber sections and may not suit your particular job requirements and application. We offer design solutions as a suggestion, for the consideration of the customer and his project engineer. It is imperative that the customer’s project engineer looks at the suggested details and either incorporates them into his whole job structural design, or alters them to suit his requirements, for the project. It is always possible that there could be influencing elements within the structure, that we are not aware of, which could effect and alter the following suggested details and information