Magnesium - Oxide Boards Cause Moisture Damage Inside

Abstract

 Magnesium oxide board, “MgO-board”, is a factory-made sheathing board product, which has been widely used in the last 5 years in ventilated facades on new or renovated buildings in Denmark. In winter 2014/15, a number of problems began to appear with these boards since the boards and adjoining building elements seemed to suffer from some sort of disease, which manifested itself by damages such as significant moisture, boards leaking salty water (‘tears’), corrosion of fittings and anchors and mould growth. The damages were caused by the fact that MgO-boards absorb moisture from outside air in periods with high outdoor humidity (90-100% RH) and form water drops on the surfaces. The drops contain a high amount of soluble chloride ions and appear on the surfaces of the boards and may often run down the boards and to adjacent structures. Metal fixtures for the MgOand siding boards may corrode heavily within a few years. The binder in MgO-boards is formed by chemical reaction between MgO and MgCl2, known as magnesium oxychloride cement or Sorel cement. Also organic matter can be found in the material. The paper presents results of investigations of properties for moisture retention and transport of MgO-boards. 

 Introduction 

In winter 2014/15, many moisture damages were observed inside ventilated facades of new or newly renovated Danish buildings. The moisture damaged facades were constructed with sheathing made of magnesium oxide-boards (MgO-boards) facing the air gap behind the material used for exterior siding. MgO-boards have often been used as sheathing behind a ventilated air gap as shown in Figure 1 and Figure 3. A photo of a MgO-board is shown in Figure

Figure 1: Sketch of a typical façade construction where a sheathing board is used as wind barrier. Adapted from [1]. Figure 2: Photo of 8 mm thick MgO-board with a glass fibre mesh on both surfaces. The observed damages were caused by the fact that MgO-boards absorb moisture from outside air. Water drops containing chloride ions appear on the outside of the boards – often so many that they run down the vertical boards and out via the air gap behind the siding boards (see Figures 4 and 5). The metal mountings for the MgO-boards can corrode heavily within a few years, cf. Figure

Categories:

MGO Board is Reasonable

MGO board is utilized as a part of a business house, open place of entertainment, market inn. It likewise utilized as a part of a manufacturing plant, distribution center, inhabitant a public place. MgO board is a mechanically propelled fabricating material offering predominant execution in each class when contrasted with conventional wood, gypsum, and bond based items. Magnesium oxide all the more usually called magnesia is an adaptable mineral that when utilized as a major aspect of a concrete blend and cast into thin bond boards under appropriate curing methodology and practices can be utilized as a part of private and business building development. The MgO magnesium board is reasonable for an extensive variety of general building utilizes and for applications that require impervious to fire, shape and mold control, and also solid control applications and numerous different advantages.

As a naturally well disposed building material, magnesia board has quality and protection because of exceptionally solid bonds amongst magnesium and oxygen particles that frame the magnesium oxide atoms (substance image MgO). Magnesia sheets are utilized as a part of place of conventional gypsum drywall as divider and roof covering material and sheathing, and in various other development applications. Since MgO load up is a mineral based green building item and it is homogeneous, there will be no delamination after some time. It can likewise positively affect tenants' wellbeing and security while broadening the life of the building speculation.

Buy Best MgO Board has phenomenal attachment esteems that are ideal for Portland stucco, acrylic stucco, backdrop, stone, tile, block, and substantially more. MgO's attachment esteems additionally enable it to be supported by most real providers of completing the process of including Imasco Minerals, Master Wall, Acrylabs, Mapei, Surecrete, Carpenter Stone, Total Wall, Stucco Flex, and Encap are a piece of a developing rundown. Since MagO Board is glass smooth on one side, a level five delightful and solid complete can be accomplished with considerably less work than common gypsum board and it can be painted an indistinguishable day from they are introduced.

Categories:

Chloride Free Greenspan Magnesium Oxide Board- Best for Fireproof Wall

Greenspan is new generation chloride free mgo board,design for interior use.It is made from magnesium oxide and magnesium sulfate. A1 fireproof, waterproof , 60% lighter weight than cement board.Greenspan does not have defect and very cost effective.

Our Greenspan Magnesium Oxide Board is mature and upgraded technical product, it is chloride free tested to ASTM C571, which is made of magnesium sulfate cement and foam particle. Greenspan inherit advantage of mgo board, also overcome its disadvantage. It is the best for fireproof wall and sandwich insulation panel(SIP).

Installation Process:
Just check out the installation process.

Ceiling:

Timber Frame Partition:

Metal Frame - One layer + Fillet Protection:

Metal Frame - Double layer + Fillet Protection:

Metal Frame – C Shape:

Concrete Wall Process:

Joint Process:

Limitation

• Greenspan magnesium oxide board can not use as water barrier. 
• Greenspan magnesium oxide board can not use vinyl floor. 
• Greenspan magnesium oxide board has its dead load, please design for use according to our updated technical data. 
• Greenspan magnesium oxide board can not design for use as structural panel without bearing frames. 
• Greenspan magnesium oxide board can not use drywall screw, nail , drywall tape and gypsum plaster jointing compound. 

Categories:

Magnesium Cement Board is Tough

Laying magnesium cement board is the most straightforward approach to guarantee a strong, solid base for an earthenware tile floor. We demonstrate to you industry standards to introduce a top notch tile base. f you need to supplant an old, broke tile floor or other kind of deck with new artistic tile, it's completely basic that you make a strong setting base for the new tile. In case you're working over a wood subfloor, concrete board is the correct decision for your tile base. Regardless of what you're told at a home focus, it's not a smart thought to introduce tile specifically finished plywood, particularly in a sodden range like a lavatory. 

Since plywood extends and contracts underneath the fired tile, grout and tile disappointment (free tiles and broke, disintegrating grout) is simply an issue of time. Accurately introduced concrete load up gives an exceptionally stable base that is for all time bound to the tile with thin-set mortar, so your new tile floor will keep going quite a while. One of the keys to a dependable tile establishment is the hidden subfloor. It must be shaken strong before you lay the 1/2-in. thick bond board. Whatever your subfloor is made of, make sure it's without squeak before you introduce the concrete board. Screwing the plywood down to the floor joists should deal with generally squeaks. The principle explanation behind utilizing meager set between the concrete board and the subfloor isn't as much to bond as it is for even, sans void concrete board bolster all through the floor. Precut and fit all the concrete board and lift it out. 

At that point spread thinset mortar with the level side of a 1/4-in. scored trowel and utilize the indented edge to "brush" the mortar. Install the concrete board and screw it to the underlayment with extraordinary 1-1/4 in. Magnesium cement board sinks separated each 4. Bond Boards are a solid decision for dry divider developments. Establishment, supplanting and expulsion and fast and simple. These sheets can be done with paints, lacquer, tiles or backdrop. They come in different thickness and thickness and sizes. Magnesium cement board come in self outlined, debuted and with various sorts of edges for various uses.these sheets have a smooth dim complete, they are sans asbestos and perform well in high dampness and wet areas.Popular application for these sheets is Internal dividers, business and modern dry divider parcels, divider cladding and high effect conditions and open ranges.

Categories:

Chloride Free Magnesium Oxide Board

The Magnesium Oxide Board does not transmit unstable natural mixes, lead and cadmium. It doesn't contain asbestos, formaldehyde or other unsafe substances. MGO Board is a non-lethal, non-cancer-causing, fireproof, water safe, affect safe, shape, parasitic confirmation and acoustic board which gives a monetary deck alternative and structures. Magnesium oxide board 'MgO board' is a processing plant made, non-protecting sheathing board item. 

 It can be utilized for various applications including divider and roof linings, belts, soffits, tile support and underlayments. It is made of magnesium oxide, a sort of mineral bond, and is usually called basically "MgO" (articulated emm-hmm goodness) because of its substantial piece of magnesium (synthetic image Mg) and oxygen (concoction image O). Consider MgO a sort of sheathing board–sort of like drywall or concrete board–but with tremendously enhanced qualities, for example, impervious to fire, weatherability, quality, imperviousness to shape and build-up, et cetera. 

The chloride free magnesium oxide board is accessible in many structures, and for building development comes in different thicknesses and sheet sizes. It likewise comes in different evaluations, for example, smooth completions, unpleasant surfaces, and utility evaluations. It is white, beige or light dim in shading, and has a "hard" stable when rapped with your knuckles–somewhat like bond board. 

There are many organizations that make chloride free MgO board, a large portion of which are in Asia. There are a few substantial makers; however, most are little neighborhood producers who serve a locale. The chloride free magnesium oxide board is harder than drywall, and are to some degree like the concrete board utilized as a part of bath fenced in areas. The MgO is "worked" in a way like a mix of drywall and concrete sheets. It can be scored and snapped, in spite of the fact that it is more grounded than drywall and requires more exertion. It can be cut with a power saw, bored through and secured like other comparable sheets.

Categories:

Buy High Quality Magnesium Sulfate Board

Find complete details about Greenspan Magnesium Oxide Sulfate Board and Greenspan Magnesium Oixde Board at Rockmaxpan.com. Our highquality Magnesium Sulfate Board is made from magnesium oxide and magnesium sulfate. Order now!

 Greenspan is new generation chloride free mgo board,design for interior use.It is made from magnesium oxide and magnesium sulfate. A1 fireproof, waterproof , 60% lighter weight than cement board.Greenspan does not have defect and very cost effective.

Superior Performance

Fire resistant : A1 fireproof, tested to ASTM E 84 & ASTM E 136  and EN ISO 1182 & ISO 1716

Water resistant: Water absorbing rate less than 20%, 24 hrs

Stable Dimension : Dimension change<0.15% in interior environment

Mould resistant : Greenspan does not mould in high humidity area

Light weight : Density>800kg/m3,60% lighter than other cement board

Super Flexible : It is flexible can be bend

Chloride free : Chloride free,tested to ASTM C 871

Green and Safe : Greenspan contain 0% toxins and are completely safe for

both builder and end user

Categories:

Magnesium Board can be Utilized

MgO board is a "low tech" and "vitality neighborly" item. CO2 is high on the rundown of "nursery" gasses, which are said to add to the an unnatural weather change wonder. MgO creation is straightforward, vitality proficient, and produces couple of "nursery" gasses. This part of MgO, from the viewpoint of being a 'green'/eco-accommodating item, would show that MgObased items would have a splendid future. In numerous applications, Magnesium board can be utilized as a part of an indistinguishable courses from gypsum and Portland bond sheathings. The substitution is not completely coordinate as far as sheet thicknesses, attaching techniques and joint medicines, however is fundamentally the same as. This makes MgO board a simple item to utilize. 

 Buy Best Magnesium board are harder than drywall, and are fairly similar to the Portland concrete board utilized as a part of bath walled in areas. MgO is "worked" in a way like a blend of drywall and concrete sheets. It can be scored and snapped, in spite of the fact that it is more grounded than drywall and requires more exertion. It can be cut with a power saw, penetrated through and secured like other comparable sheets. As when sawing Portland concrete sheets, tidy is made and in this way precautionary measures against inward breath should be taken, yet the cleaner itself is essentially latent. It's a simple to-introduce item. 

Like any sheathing board, MgO board can retain water, however, its execution is unaffected. Along these lines it can be utilized inside and outside, and in moist areas, for example, showers. Like Portland concrete based sidings, if MgO is utilized outside in an uncovered area, it needs some type of covering, for example, paint. MgO can be utilized structurally–as in supporting for walls–and likewise semistructural, for example, an underlayment for ground surface. MgO sheets are not totally homogeneous (they resemble Portland bond sheets that have a glass scrim in the face), yet don't have a different confronting like drywall or glass matt-confronted gypsum board. Henceforth delaminating is not an issue–for functional purposes it is a strong material.

Categories: