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SELECTION CRITERIA FOR CEMENT BASED ADHESIVES
Saturday, 5th November 2011
PAM Mini Auditorium, PAM Sabah Chapter


The seminar was generously sponsored by MG Ceramics & Homeware Sdn Bhd, and the speaker is Mr. Felix Quek, Technical Service Director of ad2 Building Solutions Sdn Bhd. Felix has more than 30 years experience in the building industry providing solutions, materials and technical support of ceramic tiles, stones and waterproofing. Some of the major projects under Felix were the Singapore Changi Airport Passenger Buildings Terminal 1, 2 and 3, and the KLCC Suria Shopping Centre.

Felix’s presentation included the following salient features:

Tiling failures have become more common these days, especially the buckling, delamination (debonding) of tiles from the substrate, cracked tiles etc. It is happening not only in Malaysia, but across Asia Pacific.

There are many factors for tiling failure, including the following:

i.      
Insufficient gap/ expansion joint between tiles
       (especially large sized tiles),
ii.     Insufficient contact between adhesive and tile surface
      (Min 85%, 95% preferred).
iii.    Incorrect use of adhesive (e.g. should not mix with cement, do not prolong open time),
iv.    Incorrect types of adhesive (e.g. wrong adhesives for structure subject to movement),
v.     Incorrect application of adhesive
       (e.g. Should apply on the substrate instead of back buttering),
vi.    Incorrect steel trowel (should use small notch for small tiles, large notch for large tiles),
vii.   Water pressure from penetration below the substrate (lack of waterproofing),
viii.  Incorrect tile grout and incorrect scrub.

Felix also briefed on the common use of Cement Based Adhesive (CBA):
i.    1 Component  :
      CBA only (typical installation of tiles on floors and walls).
ii.   2 Component   :
       CBA + latex. (for improved performance on areas subject to movement).

He emphasized on getting the right adhesive for the job, and reminded all on the age old maxim that “You Pay One Cent, You get One Cent Product”!

Felix may be contacted: 012-9107182, 03-8061 9335 or email to: ad2bldgs@gmail.com

 

Reported by Ar. Mok Juang Yu

A talk on EVG 3D Construction System – An Intelligent and Fully Integrated IBS was held on Saturday, 24 September 2011 at the Grand Ballroom of Pacific Sutera Hotel. The talk was organized by Bristeel Corporation Sdn Bhd. Bristeel Corporation Sdn Bhd is the Authorized Distributor cum Certified Builder by EVG Three-D Construction System (M) Sdn Bhd.

Mr. Christian Peheim, Head of Structural Engineering from EVG Austria Headquarters spoke to 170 participants comprising architects, engineers, quantity surveyors, developers, contractors and others.

Mr. Peheim informed that EVG 3D Construction System is a worldwide patented technology designed and developed by EVG Austria. The system had been widely used in more than 60 countries for more than 30 years. It offers a relatively simple and cost effective Industrial Building System (IBS).

An EVG 3D panel consists of a three-dimensional welded wire space frame sandwiched with a modified polystyrene insulation core. The two main materials for the entire building are the panels and shotcrete. The materials are of sustainable natural resources which is environmentally friendly and of extremely low carbon footprint.  The system has an earthquake resistant up to 7.5 Richter scale and typhoon resistant up to 300km/hour. There are 8 characteristics of EVG 3D construction as follows:-

1) Design Flexibility

2) Ease of Installation and Handling

3) “Formless” Construction

4) Higher Speed of Construction

5) Cost Efficient

6) Superior Strength

7) Green Product

8.) Energy Conservation


The talk was very informative and ended with many questions from the participants. The talk ended with lunch at 12.30 noon at Cafe Boleh, Pacific Sutera Hotel.

PAM Sabah Chapter organized a CPD seminar on “Thermal Comfort House by Solar Powered Ventilation” held on Saturday, 17th September 2011 was attended by 32 participants comprising of architects and QS.

UMS Assoc. Prof. Dr. Chris Chu and his team of researchers demonstrated that by placing wiremesh (with very fine grid) over the outlet of a chimney, the air flow rate will increase drastically.  Other factors that will help include bringing in cold air using underground pipes; and make the upper part of the “chimney” in glass.  This finding could have wide implication to the way we design passive ventilation e.g. stack effect with warm air passage through the jack roof.

The presentation ended at 1.00pm after Q&A session with lunch.  Vote of thanks is accorded to everyone for making their valuable time attending the seminar and to Assoc. Professor Dr. Christopher Chu Chi Ming and his researchers team for the informative innovation.

 

Reported by :-
Ar. Mok Juang Yu

 


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