BlockLock is a very simple system for building walls with glass blocks. The system consists of the application of PVC reinforcing profile between the glass blocks and joining them using special glue. You will build the walls yourself. Easily, quickly and cleanly! The Block Lock method of installation hasn't been tested for fire resistance - if a fire rating is required, the rod & mortar method should be used. Kit includes 8 long profiles, 20 short profiles and 3 Adhesives and is suitable to build with 25 Full size 190x80x190mm blocks. BlockLock can also be used with other sized blocks, providing the thickness is 80mm. Different sized blocks will require a different quantity of profiles, get in touch if you have any questions.

Terluin Webdesign was founded in 2018 by Stef Terluin and Thijs Terluin and creates professional WordPress websites, WooCommerce webshops and Shopify webshops with result-oriented designs that get more out of online traffic.

Note: in the code below, CSS variable --scrollbarWidth refers to the scrollbar's width that you calculated in order to subtract the scrollbar's width from unit vw.

Unit dvh reflects how much vertical viewport height the user agent's interface currently takes up. For instance, this will change as you scroll down a page on mobile, since the mobile URL bar moves out of your screen.

Unit vmin refers to the smallest dimension of the viewport. Just like is the case with unit vw, unit vmin needs recalculation to subtract the scrollbar from the viewport width.

Unit dvh reflects the current viewport height. This unit excludes the user agent's interface, unlike unit vh, and updates as the current viewport height changes.

The viewport units' values can be configured to not take the keyboard into account as proposed in W3C's article on the Virtual Keyboard API.

These new CSS units are there to better reflect the viewport's minimum, maximum and current dimensions. For developers this used to require both CSS and JavaScript.

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Expansion strips can be either stapled or nailed along the two sides and head between anchors (no strip necessary on the cill). Expansion foam is only needed if wall is going into a four sided opening to allow for movement of the wall due to temperature change.Expansion Foam Data Sheet

Note: all viewport-relative units hold a value that is relative to 1% of the dimension of the viewport it refers to. This means that 50vh is equal to 50% of the viewport's height.

This means that there has never been a clean or built-in solution for issues regarding viewport height excluding the interface of mobile viewports (the URL bar for instance).

This means that you have to create your own version of vmin that compares the viewport's height and it's width excluding the scrollbar's width.

Unit svw reflects the smallest possible viewport width that is visible to the user. This unit's value is static, so it will not be changed if the current viewport's width changes.

That means that the web browser can only know whether or not to subtract the scrollbar width if the whole web page has already rendered.

Unit vi refers to the viewport's size in the inline direction. For typical English text, the inline direction refers to the width; writing from left to right. However, for typical Chinese text layouts, the inline direction refers to the height; writing from top to bottom.

Unit vb refers to the viewport's size in the block direction. For typical English text, the block direction refers to the height; with lines wrapping from top to bottom. For typical Chinese text, the block direction refers to the width; wrapping lines from right to left.

Before we jump into the new CSS viewport units, it's important to know the behaviour of the viewport units that are currently supported by most modern web browsers.

Unit dvw reflects the current viewport width that is visible to the user. This value is dynamic and will thus change according to the current viewport width.

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As of March 2022 new CSS viewport units svh, lvh, dvh, svw, lvw, and dvw are incoming as part of the efforts of Apple, Bocoup, Google, Igalia, Microsoft, and Mozilla to improve the web for developers; as part of a project called Interop 2022. Who had ever thought.

Unit vmax refers to the largest dimension of the viewport. Just like is the case with unit vmin, unit vmax needs recalculation to subtract the scrollbar from the viewport width.

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After subtracting the scrollbar width from unit vw, you can use the CSS variable called --vw you've created inside of CSS function min() and max() in order to create your own custom CSS variables called --vmin and --vmax. This is how:

This means that a forced recalculation of styles would occur after the web browser finds out that a scrollbar has appeared due to rendered content overflowing the root.

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Viewport width includes the scrollbar's width, which causes units like vmin to return either the viewport height (if that's the smallest dimension) or the viewport width (if that's the smallest dimension), which includes the scrollbar's width.

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Unit lvw reflects the largest possible viewport width that is visible to the user. Like unit svw, this unit's value is static and will not change.

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There has been frustration and debate about unit vw including the scrollbar that may or may not be present on the right side of your viewport, causing a horizontal scrollbar when applying 100vw on an HTML element inside of a scrollable web page.

This caused layout shifts when, for instance, the address bar would move out of view due to scrolling down a web page. Safari for iOS was one of the first mobile web browsers to change the value of the vh unit to refer to the largest possible viewport height.

Before 2017, Chrome for Android would update the value of vh whenever the currently visible viewport height changed due to the interface of the browser changing.

The same recalculation is required for the new viewport units regarding the smallest and largest dimension: svmin, lvmin, dvmin, svmax, lvmax, and dvmax.

Unit svh reflects the smallest possible viewport height that is visible to the user. The smallest possible viewport height excludes all interface elements by the user agent.

That is the reason why web browser developers decided to keep the calculation of the vw unit as is. Consider reading the how-to section CSS 100vw minus scrollbar width.

Web browser developers have discussed this and decided not to subtract the scroll bar width from the vw unit. Whether the scrollbar's width should be subtracted from vw or not depends on whether the web page has content that overflows the root vertically.

Not everything is fixed with the addition of the new CSS viewport units, so here are some issues that I noticed working with viewport relative CSS units.