What is the best type of formwork?
Formwork is the support given to green concrete until it cures and hardens, attaining its final strength. The type of formwork and the way it is built determines the geometry, size and finish of the completed structure.
Formwork products can generally be grouped into pre-formed types and build-on-site types. There is a whole range of different options for different purposes. However, this article focusses on the advantages of two popular products; the pre-formed polyethylene Pecafil, and traditional plywood Formply.
FORMWORK SYSTEMS AVAILABLE FROM JAYBRO
Call Jaybro for pricing on:
Max Frank Pecafil
Max Frank Stremaform
Max Frank Egcodorn
Max Frank U-Korb
Max Frank Stabox
Max Frank Zemdrain
LVL Formwork Timber
Z Bar Products
What is Pecafil?
Pecafil is a formwork material made from steel wire mesh which is covered on both sides with a tightly fixed polythene layer. It is fast and easy to use, and can do double-duty as a construction barrier guard or scrim. Pecafil formwork elements can be used to build foundations, footings, pilings, pits and slabs. This permanent formwork is environmentally friendly, groundwater-neutral and recyclable.
In contrast to plywood or steel formwork, Pecafil can be moulded into custom shapes prior to delivery. Consequently, it is very quick to install. Its lightweight construction makes it easy to construct by hand, plus the pre-formed elements can be cut and adapted on site if necessary.
What is Formply?
Formply, formwork or hardface is made from structural plywood coated on both sides with a film veneer. This veneer makes it resistant to swelling and warping, and therefore ideal for repetitive use for concrete formwork in floors, walls, frames, bridges and other structures. The film coating makes it much more durable and resistant to abrasion than plain uncoated ply. Plus, it’s resistant to the alkalinity of concrete meaning it lasts well even with repeated use.
It is easily sawn and shaped tools providing advantages and forming difficult areas. It is rigid, stable, lightweight, and easy to install, meaning large areas can be laid without swelling and expansion.
Pecafil vs Formply
Which is the best formwork method for your next project? Let’s take a look at the pros and cons of both permanent forms like Pecafil, and temporary forms such as formply.
Advantages of Pecafil
- Fast, simple laying of the formwork
- Eliminates time and costs of de-moulding, cleaning and returning the formwork
- Lifting equipment is not required
- No release agent necessary
- Comes in a huge range of standard shapes and sizes
- Can be more expensive than formply
- Can’t be reused
- Arrives on site pre-formed, so if there are significant size errors these can sometimes be difficult to rectify
Advantages of Formply
- Relatively inexpensive
- Rigid and dimensionally stable
- Lightweight and easy to install
- Use over and over
- Non-linear shapes can be difficult to form, ie: columns and curves
- Release agents are required and this is an ongoing expense
- Takes time to build on site
Other types of formwork
Every project is different, and consequently, the formwork system you use could be different from job to job. The best formwork for your project is, of course, the one that suits the site, budget, engineering specifications and the workforce installing it.
For this reason, Jaybro stocks a wide selection of formwork supplies including timbers such as F17 Formply and LVL timber. LVL (Laminated Veneer Lumber) is an engineered product used mainly for formwork. LVL is stronger, straighter and lighter than traditionally milled timber.
Additionally, Jaybro can supply the Max Frank range of formwork systems including Pecafil, Stremaform, plus spacers, connections and components.
Max Frank Stremaform is ideal for dividing large structural components into individual concreting sections. It guarantees a rough surface that transmits shear forces and is used as lost formwork in floor slabs, ceilings and walls. Made from metal mesh, Max Frank Stremaform removes the need to scabble concrete surfaces and therefore offers significantly increased construction speeds. This is particularly apparent when forming stop end formwork and concrete construction joints.
Max Frank Stremaform
Max Frank U-Korb Spacers
LVL (Laminated Veneer Lumber) Formwork Timber
Expert Assistance with Formwork Systems
Our team of formwork specialists can help with pricing and specifications on all types of formwork systems, formwork frames, props, jacks, LVL and wood products as well as essentials such as fire retardant scaffolding mesh.
Give our friendly customer service team a call today on 1300 788 476 in Australia, or 0800 865 292 in New Zealand.
For more information refer to the most current manuals on the RMS website including the RMS NSW Traffic Control at Worksites Manual, and the Guide to use of Portable Variable Message Signs for Temporary Traffic Management on NSW Roads.
This information is provided as an introductory guide only and does not constitute professional advice. Ensure you make your own independent enquiries before deciding if a particular product is right for you. Consult the regulations and standards applicable to your area and check with your workplace health and safety representative for further information. Jaybro does not warrant the accuracy, content, completeness or suitability of the information on this site (or any site owned by the Jaybro Group) for your individual purposes.