Our byspoke fabricated system is made to measure by our engineers in our factory in Derry City Northern ireland, following our expert survey we are able to fabricate any shaped or curved window to compliment stone masonary, to delivery a system that is as unantrusive on the exterior appearence of the historical building as possible. A compromise in enviromental protection for a brackets and glass construction. Custom made bronze brackets with an aesthetically small profile and the strength to support heavey toughen glass or impact resistant glass.
We have designed our own non-ferrous bronze brackets which supports the Stormg glazing glass. Designed to suit an alternative storm glazing appearence however any bracket system does not offer water proof environmental protection for this we recommend our powder coated fully water proof and ventilated storm glazing system. We can install our system using heavy laminated glass which will form a superior protective barrier from aggressive acts of vandalism this will also protect the window from illegal breaking and entry.
Laminated glass is the only type of glass allowed to be accredited as hurricane impact-resistant. This new outer layer will more accurately replace the aesthetic and historic appearance of the original buildings profile. This method is a conscious decision to ensure the protection of the stained glass but ensure that the system will minimize any visual impact upon the host structure. Additional care is taken to make a duplicate of the lead lines of the original stained glass panel and the outer protective glass is then cut to form a transparent replica of the now protected stained glass, which is now situated behind the isothermal or storm glazing systems.
Pricing is determined by each individual job; because of this costs can vary. Bovard Studio is resolute to the essential necessity for venting to maintain and preserve stained glass that we dedicated our resources to find the best possible solution.
Our engineers and experienced field staff researched and proposed several venting solutions before settling on a method that could be built directly into the frame creating a seamless installation that provided more than enough ventilation while preventing water and insect infiltration. We received our official Patent Pending status in November and are hoping to receive our final patent approvals at any time. The venting ports are precisely positioned to promote optimum airflow and an easy escape for the heat and condensation.
Exterior venting solutions have a water shield to prevent water from wind driven rain from entering into the system. In addition, perforated aluminum screens are placed flush with the exterior surface area to prevent insects from entering or nesting in or around the vents, blocking the air flow and cause the ventilation system to fail. Adequate ventilation is essential but it is only one consideration for a properly designed and installed exterior glazing system.
The other consideration is the choice of glazing material. When standard float glass is selected as the exterior glazing it's important to be aware of a special type of glass called 'Low-E' that is fast becoming a popular choice for many building installations. Lowemittance a. Low-E glass is coated with microscopic layers of antireflective metal or metallic oxide designed to suppress the radiative transfer of heat.
Various types of Low-E coatings have been developed that allow for high solar gain, moderate solar gain, or low solar gain. One variation of this glass, used in colder climates, has the dual effect of admitting heat high solar gain through the glass while at the same time reducing heat loss from inside the building. Another type, low solar gain is used in warmer climates and reacts in the reverse manner, to deflect heat away from the window glass on the exterior. Low-E coated glass has promising possibilities to enhance heating and cooling efficiencies, however if the wrong Low-E type glass is used as an exterior glazing for stained glass windows it can cause significant problems.
The Low-E coating functions to either block the solar energy transfer or allow it to pass through, depending on the specific characteristics of the coating type. A 'high solar gain' Low-E glazing system allows the solar energy to pass through the Low-E window glass while suppressing the heat from passing back out through the glass.
If a stained glass window is installed on the interior side, the heat is blocked from entering the building by the stained glass window. This heat is then trapped between the stained glass window and the Low-E glass that prevents transfer back out thereby amplifying the heat build up.
The 'low solar gain' type of Low-E coating reflects a significant quantity of solar energy. In many cases, stained glass windows have been installed on historic buildings such as churches and other similar types of properties. Since these historic buildings hold such significance for not only their owners but also for visitors, if you own such a property, you likely want to do as little as possible to alter its appearance. If this is the case, then you have many storm window options to help achieve this goal.
In particular, it may be beneficial to select an interior storm window to cover each stained glass window since this will help to preserve the outside appearance of the property. However, if you feel that the true beauty is on the interior of the building, then you can select the opposite option. The most important thing is that you ensure the safety and continued beauty of the stained glass that is on the building you are trying to protect. As an established stained glass studio specializing in restoration we are qualified to offer expert survey and advice on the specification for each job.
Over the Past 30 years our Storm glazing division has stood by its core values of quality systematic glazing conservation, innovation, attention to detail and co-operation; and has grown largely through referrals and repeat business.
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